HomeMy WebLinkAbout20022177.tiff Banks and Gesso, LLC
EXHIBIT I — SOILS INFORMATION
Please refer to Exhibit C-2 and Exhibit I — Soils Map (which follows) for mapped USDA
soil polygons.
Overview
Soils within the proposed permit area consist of eight (8) soil types. Altvan Loam is found
in the southwestern parts of the property. Aquolls and Aquents can be found in the
northeastern corner of the site, as well as throughout the central portion of the property.
Bankford Sandy Loam is found in the east-central and extreme southeast corner of the
property. Heldt Silty Clay is located in the extreme southwest corner of the site. Nunn
Clay Loam exists in the western portion of the site. Valent Sand is found in a pocket
within the south and western arm of the property. Vona Loamy Sand is found in the
south-central and southwestern part of the site. Vona Sandy Loam is located in a very
narrow band along the extreme southern boundary of the Nix Property.
Soil types mapped within the proposed permit boundary can be found on Exhibit C-2.
The Altvan Loam soil type is a deep, well-drained soil on terraces. It is formed in old
alluvium deposited by major rivers. The surface layer is typically 10 inches thick. Altvan
loam has a moderate water capacity. Surface runoff is usually slow, and erosion hazard
is low. This soil is almost exclusively used for irrigated crops. It has a fair to good rating
potential for urban and recreational development, with its shrink-swell problem as the
main limiting feature.
Aquolls and Aquents are deep, poorly drained soils that have formed in recent alluvium.
It is typically found on bottomlands and flood plains of all major streams, and in
depressions in smooth plains and along bottoms of natural drainageways. The water
table is typically at or near the surface of these soils and most of the type is subject to
excessive runoff. This soil is usually used for rangeland and wildlife habitat.
EXHIBIT
Nix Property Sand and Gravel Mine.CDMG.112 Permit 20075.WD
Owens Brothers Concrete Company May 2001
20
2002-2177
Banks and Gesso, LLC
Bankard Sandy Loam is a deep, somewhat excessively drained soil found on flood
plains. It is formed in recent stratified alluvium along streams and rivers. Included in the
mapping areas of this soil are numerous sand and gravel bars. The surface layer is
typically about 4 inches thick. Bankard Sandy Loam has a moderately rapid permeability
and its water capacity is low. Surface runoff is slow and erosion hazard is low. The soil
type is suited to limited cropping, with pasture as its best use. It is fairly sandy in nature
and subject to flooding, making urban or recreational development ill-suited for this soil.
Heldt Silty Clay is a deep, moderately well drained soil found on plains. It is formed in
alluvial sediment derived from shale. The surface layer is typically about 7 inches thick.
This soil types permeability is slow, with a high water capacity. Its surface runoff is
medium, and the erosion hazard is moderate. The slow permeability and high shrink-
swell potential create problems in dwelling and road construction, making the potential
for urban and/or recreational development poor. Irrigating this soil can support crops
such as corn, sugar beets, beans, alfalfa, and small grain.
Nunn Clay Loam is a deep, well drained soil found on terraces and smooth plains. It is
formed in mixed alluvium and eolian deposits. The surface layer is typically about 9
inches. Included within the mapping areas for this soil type are small, long and narrow
pockets of sand and gravel deposits. Permeability among this soil is moderately slow
and water capacity is high. Surface runoff is slow and the erosion hazard is low. Its use
is almost entirely reserved for irrigated crops. Due to moderate to high shrink swell, low
strength, and slow permeability, the soil has a poor potential for urban and/or
recreational development.
Valent Sand is a deep, excessively drained soil found on plains. It is formed in eolian
deposits. Small areas within the mapping area have lime within a depth of 40 inches.
The surface layer is typically about 8 inches thick. Permeability within the soil is rapid
and water capacity is moderate. Surface runoff is slow and erosion hazard is low.
Valent sand is limited in its suitability to crops. Cropping in this soil type would be limited
to close grown crops such as alfalfa, wheat, and barley. The potential for urban and/or
recreational development is fair, with lawns, shrubs, and trees growing well once
established.
Nix Property Sand and Gravel Mine.CDMG.112 Permit 20075.WD
Owens Brothers Concrete Company May 2001
21
Banks and Gesso, LLC
The Vona Loamy Sand soil type is a deep, somewhat excessively drained soil found on
plains and high terraces. It is formed in eolian or alluvial deposits. The surface layer is
typically about 12 inches thick. This soils permeability is moderately rapid and its water
capacity is described as moderate. Surface runoff is slow and erosion hazard is low.
The soil can support both irrigated and non-irrigated crops, but is limited in what crops it
can adequately support. The potential for urban and/or recreational development for this
soil type is good. Once established, lawns, trees, and shrubs grow well.
Nix Property Sand and Gravel Mine.CDMG.112 Permit 20075.WD
Owens Brothers Concrete Company May 2001
22
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■■ Banks & Gesso, LLC Exhibit i
ME 720 Kipling, Suite 117 Soils Map
Lakewood, CO 80215 Owens Brothers Concrete Company
banksandgesso.com Nix Property
4/24/00 20015
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