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United States Department of Agriculture
` Rrc Natural Resources Weld County
Conservation Service Colorado
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'Survey Area Symb Survey Area Name Available D
CO617 Weld County, Colorado, Northern Part Tabular and Spatial
I CO618 Weld County, Colorado, Southern Part Tabular and Spatial
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CI Section I
O Section II
able of Contents
Soils Information
DD 1. Map Guide to Colorado
Soil Surreys
D' 2. Official Copy of Soil
Surge Information
GtilCiul I up,"r of Soil
,uraa,r [MTh rnatlrm
0j- 3 Highly Erodible Land
(HEL) Lists
aJAdams County
o JAlamosa County
S'JArapahoe County
CJArchuleta County
Si.jBaca County
0JBent County
CIJBoulder County
CII. Broomfeld County
[71JChaffee County
SCCheyenne County
BJClear Creek County
C}JConejos County
C}JCostilla County
CJCrowleyCounty
Crl'1Custer County
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Soil Data Mart - View Soil Su: / Area Metadata. Page 1 of 13
United States Department of Agriculture
C0618 - Weld O D(C Natural Resources Weld Comy County, Colorado, Southern Part
If l` J Y Conservation Service Colorado
Home Select State State Contacts Template Databases SSURGO Metadata Logon/Register Help
Soil Survey Geographic (SSURGO)
database for Weld County,
Colorado, Southern Part
Metadata also available as
Metadata:
• Identification Information
• Data Quality Information
• Snatial Data Organization Information
• Spatial Reference Information
• Entity and Attribute Information
• Distribution Information
• Metadata Reference Information
Identification_Information:
Citation:
Citation_Information:
tion:
Originator:
U.S. Department of Agriculture, Natural Resources Conservation Service
Publication_Date: 20050210
Title:
Soil Survey Geographic (SSURGO) database for Weld County, Colorado, Southern Part
Publication_Information:
Publication_Place: Fort Worth,Texas
Publisher:
U.S. Department of Agriculture, Natural Resources Conservation Service
Other Citation_Details: co618
Online_Linkage: URL•<http;L(SoilDataMa rt.nres.usda.gov/>
Description:
Abstract:
This data set is a digital soil survey and generally is the most detailed level of soil geographic
data developed by the National Cooperative Soil Survey.The information was prepared by
digitizing maps, by compiling information onto a planimetric correct base and digitizing, or by
revising digitized maps using remotely sensed and other information.
This data set consists of georeferenced digital map data and computerized attribute data.The
map data are in a soil survey area extent format and include a detailed, field verified inventory
of soils and miscellaneous areas that normally occur in a repeatable pattern on the landscape
and that can be cartographically shown at the scale mapped. A special soil features layer(point
and line features) is optional. This layer displays the location of features too small to delineate
at the mapping scale, but they are large enough and contrasting enough to significantly
influence use and management. The soil map units are linked to attributes in the National Soil
Information System relational database, which gives the proportionate extent of the component
soils and their properties.
Purpose:
SSURGO depicts information about the kinds and distribution of soils on the landscape.The soil
map and data used in the SSURGO product were prepared by soil scientists as part of the
National Cooperative Soil Survey.
Supplemental Information:
Digital versions of hydrography, cultural features, and other associated layers that are not part
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of the SSURGO data set may be available from the primary organization listed in the Point of
Contact.
Time_Period_of Content:
Time_Period Information:
Range_of Dates/Times:
Beginning_Date: 20040913
Ending_Date: 20050210
Currentness_Reference: publication date
Status:
Progress: Complete
Maintenance and_Update_Frequency: As needed
Spatial Domain:
Bounding_Coordinates:
West Bounding_Coordinate: -105.057
East Bounding_Coordinate: -104.147
North_Bounding Coordinate: 40.641
South_Bounding Coordinate: 40.000
Keywords:
Theme:
Theme_Keyword Thesaurus: None
Theme_Keyword: soil survey
Theme_Keyword: soils
Theme_Keyword: Soil Survey Geographic
Theme_Keyword: SSURGO
Place:
Place_Keyword Thesaurus: USGS Geographic Names Information System (GNIS)
Place_Keyword: Colorado
Place_Keyword: Weld County
Place_Keyword: Antelope Reservoir Quadrangle
Place_Keyword: Nunn Quadrangle
Place_Keyword: Cobb Lake Quadrangle
Place_Keyword: Dutch Girl Lake Quadrangle
Place_Keyword: Fosston Quadrangle
Place_Keyword: Cornish Quadrangle
Place_Keyword: Galeton Quadrangle
Place_Keyword: Eaton Quadrangle
Place_Keyword: Severance Quadrangle
Place_Keyword: Timnath Quadrangle
Place_Keyword: Greasewood Lake Quadrangle
Place_Keyword: Point of Rocks Quadrangle
Place Keyword: Barnesville Quadrangle
Place_Keyword: Kersey Quadrangle
Place_Keyword: Greeley Quadrangle
Place_Keyword: Bracewell Quadrangle
Place_Keyword: Windsor Quadrangle
Place_Keyword: Masters Quadrangle
Place_Keyword: Dearfield Quadrangle
Place_Keyword: Hardin Quadrangle
Place_Keyword: Valley View School Quadrangle
Place_Keyword: La Salle Quadrangle
Place_Keyword: Milliken Quadrangle
Place_Keyword: Berthoud Quadrangle
Place_Keyword: Johnstown Quadrangle
Place_Keyword: Omar Quadrangle
Place_Keyword: Roggen Quadrangle
Place_Keyword: Tampa Quadrangle
Place_Keyword: Klug Ranch Quadrangle
Place_Keyword: Milton Reservoir Quadrangle
Place_Keyword: Platteville Quadrangle
Place_Keyword: Longmont Quadrangle
Place_Keyword: Gowanda Quadrangle
Place_Keyword: Wiggins SW Quadrangle
Place_Keyword: South Roggen Quadrangle
Place_Keyword: Prospect Valley Quadrangle
Place_Keyword: Keenesburg Quadrangle
Place_Keyword: Hudson Quadrangle
Place_Keyword: Fort Lupton Quadrangle
Place_Keyword: Erie Quadrangle
Place_Keyword: Frederick Quadrangle
Access_Constraints: None
Use_Constraints:
The U.S. Department of Agriculture, Natural Resources Conservation Service, should be acknowledged
as the data source in products derived from these data.
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This data set is not designed for use as a primary regulatory tool in permitting or citing decisions, but
may be used as a reference source. This is public information and may be interpreted by organizations,
agencies, units of government, or others based on needs; however,they are responsible for the
appropriate application. Federal, State, or local regulatory bodies are not to reassign to the Natural
Resources Conservation Service any authority for the decisions that they make. The Natural Resources
Conservation Service will not perform any evaluations of these maps for purposes related solely to State
or local regulatory programs.
Photographic or digital enlargement of these maps to scales greater than at which they were originally
mapped can cause misinterpretation of the data. If enlarged, maps do not show the small areas of
contrasting soils that could have been shown at a larger scale.The depicted soil boundaries,
interpretations, and analysis derived from them do not eliminate the need for onsite sampling, testing,
and detailed study of specific sites for intensive uses.Thus, these data and their interpretations are
intended for planning purposes only. Digital data files are periodically updated. Files are dated, and
users are responsible for obtaining the latest version of the data.
Point of Contact:
Contact Information:
Contact Organization_Primary:
Contact_Organization:
U.S. Department of Agriculture, Natural Resources Conservation Service
ContacLPosition: State Soil Scientist
Contact Address:
Address Type: mailing address
Address: USDA - Natural Resources Conservation Service
Address: Colorado State Office
Address: 655 Parfet Street, Suite 201, Room E200C
City: Lakewood
State or Province: CO
Postal Code: 80215-5517
Contact Voice Telephone: 720-544-2841
Contact Electronic_Mail_Address: steve.park@co.usda.gov
Data_Quality_Information:
Attribute Accuracy:
Attribute_Accuracy_Report:
Attribute accuracy is tested by manual comparison of the source with hard copy plots and/or
symbolized display of the map data on an interactive computer graphic system. Selected
attributes that cannot be visually verified on plots or on screen are interactively queried and
verified on screen. In addition,the attributes are tested against a master set of valid attributes.
All attribute data conform to the attribute codes in the signed classification and correlation
document and amendment(s).
Logical Consistency_Report:
Certain node/geometry and topology GT- polygon/chain relationships are collected or generated to
satisfy topological requirements (the GT-polygon corresponds to the soil delineation). Some of these
requirements include: chains must begin and end at nodes, chains must connect to each other at nodes,
chains do not extend through nodes, left and right GT-polygons are defined for each chain element and
are consistent throughout, and the chains representing the limits of the file are free of gaps.The tests of
logical consistency are performed using vendor software. All internal polygons are tested for closure
with vendor software and are checked on hard copy plots. All data are checked for common soil lines
(i.e., adjacent polygons with the same label). Edge locations generally do not deviate from centerline to
centerline by more than 0.01 inch. The boundary of this survey is matched to the adjacent SSURGO
certified surveys of Larimer County Area, Colorado; Weld County, Colorado, Northern Part; Adams
County Area, Parts of Adams and Denver Counties, Colorado; and Boulder County Area, Colorado.
Feature edges match those of the Weld County, Colorado, Northern Part and Boulder County Area,
Colorado surveys only. Feature labels do not match.
Completeness_Report:
A map unit is a collection of areas defined and named in terms of their soil components or miscellaneous
areas or both. Each map unit differs in some respect from all others in a survey area and each map unit
has a symbol that uniquely identifies the map unit on a soil map. Each individual area, point, or line so
identified on the map is a delineation.
Soil Scientists identify small areas of soils or miscellaneous areas that have properties and behavior
significantly different than the named soils in the surrounding map unit. These minor components may
be indicated as special features. If they have a minimal effect on use and management, or could not be
precisely located, they may not be indicated on the map.
A map unit has specified kinds of soils or miscellaneous areas (map unit components), each with a
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designated range in proportionate extent. Map units include one or more kinds of soil or miscellaneous
area. Miscellaneous areas are areas that have little or no recognizable soil.
Specific National Cooperative Soil Survey standards and procedures were used in the classification of
soils, design and name of map units, and location of special soil features. These standards are outlined
in Agricultural Handbook 18, Soil Survey Manual, 1993, USDA, NRCS; Agricultural Handbook 436, Soil
Taxonomy, 1995, USDA, NRCS; and all Amendments; Keys to Soil Taxonomy, (current issue) USDA,
NRCS; National Soil Survey Handbook, title 430-VI,(current issue) USDA, NRCS.
The actual composition and interpretive purity of the map unit delineations were based on data collected
by scientists during the course of preparing the soil maps. Adherence to National Cooperative Soil
Survey standards and procedures is based on peer review, quality control, and quality assurance.
Quality control is outlined in the memorandum of understanding for the soil survey area and in
documents that reside with the Natural Resources Conservation Service state soil scientist. Four kinds of
map units are used in soil surveys: consociations, complexes, associations, and undifferentiated groups.
Consociations - Consociations are named for the dominant soil. In a consociation, delineated areas use a
single name from the dominant component in the map unit. Dissimilar components are minor in extent.
The soil component in a consociation may be identified at any taxonomic level. Soil series is the lowest
taxonomic level. A consociation that is named as a miscellaneous area is dominantly that kind of area
and minor components do not significantly affect the use of the map unit. The total amount of dissimilar
inclusions of other components in a map unit generally does not exceed about 15 percent if limiting and
25 percent if nonlimiting. A single component of a dissimilar limiting inclusion generally does not exceed
10 percent if very contrasting.
Complexes and associations - Complexes and associations consist of two or more dissimilar components
that occur in a regularly repeating pattern. The total amount of other dissimilar components is minor
extent.The following arbitrary rule determines whether complex or association is used in the name. The
major components of an association can be separated at the scale of mapping. In either case, because
the major components are sufficiently different in morphology or behavior, the map unit cannot be
called a consociation. In each delineation of a complex or an association, each major component is
normally present though their proportions may vary appreciably from one delineation to another.The
total amount of inclusions in a map unit that are dissimilar to any of the major components does not
exceed 15 percent if limiting and 25 percent if nonlimiting. A single kind of dissimilar limiting inclusion
usually does not exceed 10 percent.
Undifferentiated groups - Undifferentiated groups consist of two or more components that are not
consistently associated geographically and, therefore, do not always occur together in the same map
delineation. These components are included in the same named map unit because their use and
management are the same or very similar for common uses. Generally they are grouped together
because some common feature, such as steepness, stoniness, or flooding, determines their use and
management. If two or more additional map units would serve no useful purpose, they may be included
in the same unit. Each delineation has at least one of the major components, and some may have all of
them. The same principles regarding the proportion of minor components that apply to consociations
also apply to undifferentiated groups.The same principles regarding proportion of inclusion apply to
undifferentiated groups as to consociations.
Minimum documentation consists of three complete soil profile descriptions that are collected for each
soil added to the legend, one additional per 3,000 acres mapped; three 10 observation transects for
each map unit, one additional 10 point transect per 3,000 acres.
A defined standard or level of confidence in the interpretive purity of the map unit delineations is
attained by adjusting the kind and intensity of field investigations. Field investigations and data
collection are carried out in sufficient detail to name map units and to identify accurately and
consistently areas of about 5 acres.
Positional Accuracy:
Horizontal Positional Accuracy:
Horizontal Positional Accuracy_Report:
The accuracy of these digital data is based upon their compilation to base maps that
meet National Map Accuracy Standards at a scale of 1 inch equals 1,000 feet.The
difference in positional accuracy between the soil boundaries and special soil features
locations in the field and their digitized map locations is unknown.The locational
accuracy of soil delineations on the ground varies with the transition between map units.
For example, on long gently sloping landscapes the transition occurs gradually over
many feet. Where landscapes change abruptly from steep to level, the transition will be
very narrow. Soil delineation boundaries and special soil features generally were
digitized within 0.01 inch of their locations on the digitizing source. The digital map
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elements are edge matched between data sets. The data along each quadrangle edge
are matched against the data for the adjacent quadrangle. Edge locations generally do
not deviate from centerline to centerline by more than 0.01 inch.
Lineage:
Source_Information:
Source_Citation:
Citation_Information:
Originator:
U.S. Department of Agriculture, Soil Conservation Service
Publication_Date: 1980
Title: Soil Survey of Weld County, Colorado, Southern Part
Geospatial Data_Presentation_Form: atlas
Publication_Information:
Publication_Place: Washington, D.C.
Publisher: U.S. Government Printing Office
Source_Scale_Denominator: 24,000
Type of Source_Media: paper
Source_Time_Period of Content
Time Period Information:
Range_of Dates/Times:
Beginning_Date: 2001
Ending_Date: 2004
Source_Currentness_Reference: publication date
Source_Citation_Abbreviation: SCSI
Source_Contribution:
information for soil map unit delineations, special soil feature locations, and data on soil
properties
Source_Information:
Source_Citation:
Citation_Information:
Originator:
U.S. Department of Agriculture, Natural Resources Conservation Service
Publication_Date: unpublished material
Title: publication positives
Geospatial Data_Presentation_Form: map
Source_Scale_Denominator: 24,000
Type_of Source Media: stable-base material
Source_Time_Period of Content:
Time_Period Information:
Range_of Dates/Times:
Beginning_Date: 2001
Ending_Date: 2002
Source_Currentness_Reference: 2002
Source_Citation_Abbreviation: NRCS1
Source_Contribution: source for recompiling soil mapping
Source_Information:
Source_Citation:
Citation_Information:
Originator: U.S. Geological Survey
Publication_Date: 1975-1980
Title: multiple 7.5 minute topographic quadrangles
Geospatial Data_Presentation_Form: map
Publication_Information:
Publication_Place: Menlo Park, California
Publisher: U.S. Geological Survey
Source_Scale_Denominator: 24,000
Type_of Source_Media: stable-base material
Source_Time_Period of Content:
Time_Period Information:
Range of Dates/Times:
Beginning_Date: 2001
Ending Date: 2002
Source_Currentness_Reference: publication date
Source_Citation_Abbreviation: USGS1
Source_Contribution: compilation reference
Source_Information:
Source_Citation:
Citation_Information:
Originator: U.S. Geological Survey
Publication_Date: 1999
Title: multiple 7.5 minute orthophotographs
Geospatial Data_Presentation_Form: remote sensing image
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Publication_Information:
Publication_Place: Menlo Park, California
Publisher: U.S. Geological Survey
Source_Scale_Denominator: 24,000
Type_of Source_Media: stable-base material
Source_Time_Period of Content:
Time_Period
Range of Dates/Times:
Beginning_Date: 2001
Ending_Date: 2002
Source_Currentness_Reference: publication date
Source_Citation_Abbreviation: USGS2
Source_Contribution: compilation base
Source_Information:
Source_Citation:
Citation_Information:
Originator:
U.S. Department of Agriculture, Natural Resources Conservation Service
Publication_Date: unpublished material
Title: annotated overlays
Geospatial Data_Presentation_Form: map
Source_Scale_Denominator: 24,000
Type_of Source_Media: stable-base material
Source_Time_Period of Content:
Time Period Information:
Range_of Dates/Times:
Beginning_Date: 2001
Ending_Date: 2002
Source_Currentness_Reference: 2002
Source_Citation_Abbreviation: NRCS2
Source_Contribution: scanning and digitizing source
Source_In formation:
Source_Citation:
Citation_Information:
Originator:
U.S. Department of Agriculture, Natural Resources Conservation Service
Publication_Date: unpublished material
Title: Digitized Soils of Weld County, Colorado, Southern Part
Geospatial Data_Presentation_Form: map
Source_Scale_Denominator: 24,000
Type_of Source_Media: CD-ROM
Source_Time Period of Content:
Time_Period_Information:
Range of Dates/Times:
Beginning_Date: 2002
Ending_Date: 2004
Source_Currentness_Reference: 2004
Source_Citation_Abbreviation: NRCS3
Source_Contribution: ARC/INFO coverage digital files
Source_Information:
Source_Citation:
Citation_Information:
Originator:
U.S. Department of Agriculture, Natural Resources Conservation Service
Publication_Date: 2004
Title:
Soil Survey Geographic (SSURGO) database for Larimer County Area,
Colorado
Geospatial Data_Presentation_Form: map
Publication_Information:
Publication_Place: Fort Worth,Texas
Publisher:
U.S. Department of Agriculture, Natural Resources Conservation
Service
Type_of Source Media: online
Source_Time_Period_of Content:
Time_Period Information:
Single_Date/Time:
Calendar Date: 2004
Source_Currentness_Reference: publication date
Source_Citation_Abbreviation: NRCS4
Source_Contribution:
certified SSURGO data used for survey boundary edge matching
Source_Information:
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Source_Citation:
Citation_Information:
Originator:
U.S. Department of Agriculture, Natural Resources Conservation Service
Publication_Date: 2004
Title:
Soil Survey Geographic(SSURGO) database for Weld County, Colorado,
Northern Part
Geospatial_Data_Presentation_Form: map
Publication_Information:
Publication_Place: Fort Worth, Texas
Publisher:
U.S. Department of Agriculture, Natural Resources Conservation
Service
Type of Source Media: online
Source_Time_Period_of Content:
Time Period Information:
Single_Date/Time:
Calendar Date: 2004
Source_Currentness_Reference: publication date
Source_Citation_Abbreviation: NRCS5
Source_Contribution:
certified SSURGO data used for survey boundary edge matching
Source_Information:
Source_Citation:
Citation_Information:
Originator:
U.S. Department of Agriculture, Natural Resources Conservation Service
Publication_Date: 2004
Title:
Soil Survey Geographic (SSURGO) database for Adams County Area,
Parts of Adams and Denver Counties, Colorado
Geospatial Data_Presentation_Form: map
Publication_Information:
Publication_Place: Fort Worth,Texas
Publisher:
U.S. Department of Agriculture, Natural Resources Conservation
Service
Type_of Source_Media: online
Source_Time Period of Content:
Time_Period Information:
Single_Date/Time:
Calendar Date: 2004
Source_Currentness Reference: publication date
Source_Citation_Abbreviation: NRCS6
Source_Contribution:
certified SSURGO data used for survey boundary edge matching
Source_Information:
Source_Citation:
Citation_Information:
Originator:
U.S. Department of Agriculture, Natural Resources Conservation Service
Publication_Date: 2004
Title:
Soil Survey Geographic(SSURGO) database for Boulder County Area,
Colorado
Geospatial Data_Presentation_Form: map
Publication_Information:
Publication_Place: Fort Worth,Texas
Publisher:
U.S. Department of Agriculture, Natural Resources Conservation
Service
Type_of Source Media: online
Source_Time_Period_of Content:
Time_Period Information:
Single_Date/Time:
Calendar Date: 2004
Source_Currentness_Reference: publication date
Source_Citation_Abbreviation: NRCS7
Source_Contribution:
certified SSURGO data used for survey boundary edge matching
Source_Information:
Source_Citation:
Citation_Information:
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Originator:
U.S. Department of Agriculture, Natural Resources Conservation Service
Publication_Date: 2004
Title: National Soil Information System (NASIS) data base
Geospatial_Data_Presentation_Form: tabular digital data
Publication_Information:
Publication_Place: Fort Collins, Colorado
Publisher:
U.S. Department of Agriculture, Natural Resources Conservation
Service
Type_of Source_Media: database
Source_Time Period of Content:
Time_Period_Information:
Range of Dates/Times:
Beginning_Date: 2004
Ending Date: 2004
Source_Currentness_Reference: publication date
Source_Citation_Abbreviation: NASIS
Source_Contribution: attribute(tabular) information
Process_Step:
Process_Description:
Weld County, Colorado, Southern Part has a previously published soil survey, 1980, at
1:24,000 scale. Major fieldwork for the soil survey was performed during the period of
1965 to 1975.The soil survey classification and map unit names were finalized at the
final correlation in April, 1976. An evaluation was made of the soil survey in 2001 and
map unit components were accurate.
Source_Used Citation_Abbreviation: SCSI
Process_Date: 2001
Process_Step:
Process_Description:
Annotated overlays were manually compiled from publication positives using the
1:24,000 scale orthophotos, 7.5 minute topographic quadrangles, and 1983 North
American Datum reference system. Annotated overlays were then raster scanned and
converted to vector format using Scorpion SRV386 software. All remaining work was
performed using ARC/INFO version 7.1.1. Some soils quadrangles and all special
features were manually digitized. Stable-base overlays were used to place soil and
special feature labels. Custom AML's were operated for error identification. The soil
survey boundary was edge matched to the adjacent SSURGO certified surveys of
Larimer County Area, Colorado, Weld County, Colorado, Northern Part,Adams County
Area, Parts of Adams and Denver Counties, Colorado and Boulder County Area,
Colorado. Work was completed by the Geographic Information Systems Spatial Analysis
Laboratory (GISSAL) at Kansas State University in Manhattan, Kansas. The corrections
and digital data were submitted to the NRCS Central Great Plains MLRA Office (CGPMO)
in Salina, Kansas for final editing and SSURGO certification.
Source_Used Citation_Abbreviation:
NRCS1, USGS1, USGS2, NRCS2, NRCS3, NRCS4, NRCS5, NRCS6, NRCS7
Process_Date: 2004
Process_Step:
Process_Description:
The National Soil Information System database was developed by NRCS Soil Scientists
according to national standards and specifications.
Source_Used Citation_Abbreviation: NRCS3
Process_Date: 2004
Process_Step:
Process_Description:
The Natural Resources Conservation Service State Soil Scientist or delegate, upon
completion of data quality verification, determined that the tabular data should be
released for official use. A selected set of map units and components in the soil survey
legend was copied to a staging database, and rating values for selected interpretations
were generated.The list of selected interpretations is stored in the database table
named sainterp.
Source_Used Citation_Abbreviation: NASIS
Process_Date: 20041006
Process_Step:
Process_Description:
The Natural Resources Conservation Service State Soil Scientist or delegate verified that
the labels on the digitized soil map units link to map units in the tabular database, and
certified the joined data sets for release to the Soil Data Warehouse. A system assigned
version number and date stamp were added and the data were copied to the data
warehouse. The tabular data for the map units and components were extracted from the
data warehouse and reformatted into the soil data delivery data model, then stored in
the Soil Data Mart. The spatial data were copied to the Soil Data Mart without change.
Source_Used Citation_Abbreviation: NASIS
Process_Date: 20041007
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Process_Step:
Process Description:
The Natural Resources Conservation Service State Soil Scientist or delegate, upon
completion of data quality verification, determined that the tabular data should be
released for official use. A selected set of map units and components in the soil survey
legend was copied to a staging database, and rating values for selected interpretations
were generated. The list of selected interpretations is stored in the database table
named sainterp.
Source Used_Citation_Abbreviation: NASIS
Process_Date: 20041215
Process_Step:
Process_Description:
The Natural Resources Conservation Service State Soil Scientist or delegate verified that
the labels on the digitized soil map units link to map units in the tabular database, and
certified the joined data sets for release to the Soil Data Warehouse. A system assigned
version number and date stamp were added and the data were copied to the data
warehouse. The tabular data for the map units and components were extracted from the
data warehouse and reformatted into the soil data delivery data model, then stored in
the Soil Data Mart. The spatial data were copied to the Soil Data Mart without change.
Source_Used Citation_Abbreviation: NASIS
Process_Date: 20041215
Process_Step:
Process_Description:
The Natural Resources Conservation Service State Soil Scientist or delegate, upon
completion of data quality verification, determined that the tabular data should be
released for official use. A selected set of map units and components in the soil survey
legend was copied to a staging database, and rating values for selected interpretations
were generated. The list of selected interpretations is stored in the database table
named sainterp.
Source_Used Citation_Abbreviation: NASIS
Process_Date: 20050210
Process_Step:
Process Description:
The Natural Resources Conservation Service State Soil Scientist or delegate verified that
the labels on the digitized soil map units link to map units in the tabular database, and
certified the joined data sets for release to the Soil Data Warehouse. A system assigned
version number and date stamp were added and the data were copied to the data
warehouse.The tabular data for the map units and components were extracted from the
data warehouse and reformatted into the soil data delivery data model, then stored in
the Soil Data Mart.The spatial data were copied to the Soil Data Mart without change.
Source_Used Citation_Abbreviation: NASIS
Process Date: 20050210
Process_Step:
Process Description:
The Natural Resources Conservation Service State Soil Scientist or delegate, upon
completion of data quality verification, determined that the tabular data should be
released for official use. A selected set of map units and components in the soil survey
legend was copied to a staging database, and rating values for selected interpretations
were generated. The list of selected interpretations is stored in the database table
named sainterp.
Source_Used Citation_Abbreviation: NASIS
Process Date: 20050210
Process_Step:
Process_Description:
The Natural Resources Conservation Service State Soil Scientist or delegate verified that
the labels on the digitized soil map units link to map units in the tabular database, and
certified the joined data sets for release to the Soil Data Warehouse. A system assigned
version number and date stamp were added and the data were copied to the data
warehouse.The tabular data for the map units and components were extracted from the
data warehouse and reformatted into the soil data delivery data model, then stored in
the Soil Data Mart.The spatial data were copied to the Soil Data Mart without change.
Source_Used Citation_Abbreviation: NASIS
Process_Date: 20050210
Spatial Data_Organization_Information:
Direct Spatial Reference_Method: Vector
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Spatial Reference in formation:
Horizontal Coordinate_System_Definition:
Geographic:
Geographic_Coordinate_Units: Decimal degrees
Latitude_Resolution: 0.0000001
Longitude_Resolution: 0.0000001
Geodetic Model:
Horizontal Datum_Name: North American Datum of 1983
Ellipsoid Name: Geodetic Reference System 80
Semi-major Axis: 6378137.000000
Denominator of Flattening_Ratio: 298.257222
Entity and Attribute_Information:
Detailed Description:
Entity Type:
Entity_Type_Label: Special Soil Features
Entity Type_Definition:
Special Soil Features represent soil, miscellaneous area, or landform features that are
too small to be digitized as soil delineations (area features).
Entity_Type_Definition_Source: Agricultural Handbook 18, Soil Survey Manual, 1993, USDA,
SCS.
Attribute:
Attribute_Label: Special Soil Features Codes
Attribute_Definition:
Special Soil Features labels represent specific Special Soil Features.These features are
identified with a descriptive label.The label is assigned to the point or line assigned to
represent the feature on maps.
Attribute_Definition_Source:
Agricultural Handbook 18, Soil Survey Manual, 1993, USDA, SCS; National Soil Survey
Handbook,Title 430-VI, part 647 (current issue), USDA, NRCS.
Attribute_Domain_Values:
Codes et_Domain:
CodesetName:
Classification and Correlation of the Soils of Weld County, Colorado,
Southern Part
Codeset_Source:
U.S. Department of Agriculture, Natural Resources Conservation Service
Overview_Description:
Entity and Attribute_Overview:
Map Unit Delineations are closed polygons that may be dominated by a single soil or
miscellaneous area component plus allowable similar or dissimilar soils, or they can be
geographic mixtures of groups of soils or soils and miscellaneous areas.
The map unit symbol uniquely identifies each closed map unit delineation. Each symbol
corresponds to a map unit name. The map unit key is used to link to information in the National
Soil Information System tables.
Map Unit Delineations are described by the National Soil Information System database. This
attribute database gives the proportionate extent of the component soils and the properties for
each soil.The database contains both estimated and measured data on the physical and
chemical soil properties and soil interpretations for engineering, water management, recreation,
agronomic, woodland, range, and wildlife uses of the soil.
The National Soil Information System database contains static metadata. It documents the data
structure and includes such information as what tables, columns, indexes, and relationships are
defined as well as a variety of attributes of each of these database objects. Attributes include
table and column descriptions and detailed domain information.
The National Soil Information System database also contains a distribution metadata. It records
the criteria used for selecting map units and components for inclusion in the set of distributed
data.
Special features are described in the feature table. It includes an area symbol, feature label,
feature name, and feature description for each special and ad hoc feature in the survey area.
Entity_and Attribute_Detail Citation:
Soil Taxonomy: A basic system of soil classification for making and interpreting soil surveys.
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Agricultural Handbook 436, 1999, USDA, SCS.
Keys to Soil Taxonomy (current issue), USDA, SCS.
National Soil Survey Handbook, Title 430-VI, part 647 (current issue), USDA, NRCS.
Agricultural Handbook 18, Soil Survey Manual, 1993, USDA, SCS.
Distribution_Information:
Distributor:
Contact Information:
Contact Organization_Primary:
Contact Organization:
U.S. Department of Agriculture, Natural Resources Conservation Service,
National Cartography and Geospatial Center
Contact_Address:
Address_Type: mailing and physical address
Address: 501 West Felix Street, Building 23, P.O. Box 6567
City: Fort Worth
State_orProvince: Texas
Postal Code: 76115
Contact Voice_Telephone: 800 672 5559
Contact TDD/TTY Telephone: 202 720 2600
Contact Facsimile_Telephone: 817 509 3469
Resource_Description: Weld County, Colorado, Southern Part SSURGO
Distribution_Liability:
Although these data have been processed successfully on a computer system at the U.S. Department of
Agriculture, no warranty expressed or implied is made by the Agency regarding the utility of the data on
any other system, nor shall the act of distribution constitute any such warranty. The U.S. Department of
Agriculture will warrant the delivery of this product in computer readable format, and will offer
appropriate adjustment of credit when the product is determined unreadable by correctly adjusted
computer input peripherals, or when the physical medium is delivered in damaged condition. Request
for adjustment of credit must be made within 90 days from the date of this shipment from the ordering
site.
The U.S. Department of Agriculture, nor any of its agencies are liable for misuse of the data, for
damage, for transmission of viruses, or for computer contamination through the distribution of these
data sets.The U.S. Department of Agriculture (USDA) prohibits discrimination in all its programs and
activities on the basis of race, color, national origin, sex, religion, age, disability, political beliefs, sexual
orientation, or marital or family status. (Not all prohibited bases apply to all programs.)
Standard Order Process:
Digital Form:
Digital Transfer Information:
Format Name: ArcView shapefile
Format_Information_Content: spatial
File_Decompression_Technique: WinZip or equivalent
Transfer Size: 19.5
Digital Transfer_Option:
Online_Option:
Computer Contact_Information:
Network_Address:
Network_Resource_Name:
URL:chttp//SoilData Mart.nres.usda.gov/>
Access_Instructions:
Select desired survey area at above Internet Web site. An email address
is required for receipt of instructions on retrieval via anonymous FTP.
Anticipate a delay between submission of request at Web site and receipt
of email message.
Digital Form:
Digital Transfer Information:
Format Name: ARC/INFO coverage
Format In formation_Content: spatial
File_Decompression_Technique: WinZip or equivalent
Transfer Size: 19.5
Digital Transfer Option:
Online_Option:
Computer_Contact Information:
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Network_Address:
Network_Resource Name:
URL:<http://SoilDataMart.nres.usd�c ov/>
Access_Instructions:
Select desired survey area at above Internet Web site. An email address
is required for receipt of instructions on retrieval via anonymous FTP.
Anticipate a delay between submission of request at Web site and receipt
of email message.
Digital_Form:
Digital Transfer Information:
Format Name: ARC/INFO interchange file
Format_Information_Content: spatial
File_Decompression_Technique: WinZip or equivalent
Transfer Size: 19.5
Digital_Transfer Option:
Online_Option:
Computer Contact Information:
Network_Address:
Network Resource_Name:
URL•<http://SoillDataMarLnres.usda.govj>
Access Instructions:
Select desired survey area at above Internet Web site. An email address
is required for receipt of instructions on retrieval via anonymous FTP.
Anticipate a delay between submission of request at Web site and receipt
of email message.
Digital_Form:
Digital Transfer Information:
Format Name: ASCII
Format Information_Content: keys and attributes
File_Decompression_Technique: WinZip or equivalent
Transfer Size: 6.8
Digital_Transfer Option:
Online_Option:
Computer Contact Information:
Network_Address:
Network_Resource_Name:
URL:<http://SoilDataMart.nrcs.usda.gov/>
Access_Instructions:
Select desired survey area at above Internet Web site. An email address
is required for receipt of instructions on retrieval via anonymous FTP.
Anticipate a delay between submission of request at Web site and receipt
of email message.
Fees:
There is currently no direct charge for requesting data or for retrieval via FTP.
Ordering_Instructions:
Visit the above mentioned Internet Web Site, select state or territory, then select individual soil
survey area of interest. Spatial line data and locations of special feature symbols are in ESRI
ArcGIS (ArcView,ArcInfo) shapefile, coverage and interchange (i.e., export)formats. The
National Soil Information System attribute soil data are available in variable length, pipe
delimited, ASCII file format.
Turnaround: Typically within four hours
Metada ta_Reference_Information:
Metadata_Date:te: 20050524
Metadata_Contact:
Contact Information:
Contact_Organiza tion_Primary:
Contact Organization:
U.S. Department of Agriculture, Natural Resources Conservation Service
Contact_Position: State Soil Scientist
Contact_Address:
Address_Type: mailing address
Address: USDA - Natural Resources Conservation Service
Address: Colorado State Office
Address: 655 Parfet Street, Suite 201, Room E200C
City: Lakewood
State_orProvince: CO
Postal Code: 80215-5517
Contact Voice_Telephone: 720-544-2841
Contact_Electronic_Mail Address: steve.park@co.usda.gov
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Metadata_Standard Name: Content Standard for Digital Geospatial Metadata
Metadata_Standard Version: FGDC-STD-001-1998
Generated by nip version 2.7.30 on Thu Oct 27 11:17:19 2005
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