HomeMy WebLinkAbout20000623 EXHIBIT I
Soils Information
Six types of soil lie within the permit area according to the Weld County Soil Survey, conducted
by the United States Department of Agriculture. They are as follows:
1. (3) Aquolls and Aquents, Gravelly Substatum
2. (10) Bankard Sandy Loam
3. (32) Kim Loam
4. (41)Nunn Clay Loam
5. (47) Olney Fine Sandy Loam
6. (50, 51, 52) Otero Sandy Loam
See Attached Map.
(3) Aquolls and Aquents, Gravelly Substratum
This map unit is on bottom lands and floodplains of all major streams in the survey area. This
unit consists of 60 percent Aquolls and 35 percent Aquents soils. These soils are deep, and poorly
drained. They formed in recent alluvium. The surface is a mildly alkaline to moderately alkaline
loamy or clayey layer, as well as the underlying material which is underlain by sand or sand and
gravel within 48 inches. The water table is at or n ear the surface, creating a hydric soil condition.
The erosion hazard due to wind is low.
(10) Bankard Sandy Loam, 0 to 3 percent slopes
The Bankard soils is a deep, somewhat excessively drained soil. It is formed on floodplains from
stratified recent alluvium. The surface is a sandy loam. The underlying material is a calcareous
sand stratified with thin lenses of sandy loam, loam, and fine gravel. The soils have moderately
rapid permeability. Their available water holding capacity is low. Roots penetrate to 60 inches or
more. Runoff is slow and the erosion hazard due to wind is severe.
(32) Kim Loam, 1 to 3 percent slopes
The Kim soil is a deep, well drained soil. It is formed on smooth plains and alluvial fans from
mixed eolian deposits and parent material. The surface and subsoil is a loam. The underlying
material is a fine sandy loam. The soils have moderate permeability. Their available water
holding capacity is high. Roots penetrate to 60 inches or more. Runoff is slow and the erosion
hazard due to wind is high.
(41) Nunn Clay Loam, 0 to 1 percent slopes
This is a deep, well drained soil on terraces and smooth plains. It formed in mixed alluvioum and
eolian deposits. Permeability is moderately slow. Available water capacity is high. The effective
rooting depth is 60 inches or more. Surface runoff is slow, and the erosion hazard is low.
River View Resource, I 4
2000-0623
(47) Olney Fine Sandy Loam, 1 to 3 percent slopes
This is a deep, well drained soil. It formed in mixed outwash deposits. Typically the surface
layer of this Olney soil is grayish brown fine sandy loam about 10 inches thick. The subsoil is
yellowish brown and very pale brown sandy clay loam about: 14 inches thick. The substratum to a
depth of 60 inches is very pale brown, calcareous fine sandy loam. Permeability and available
water capacity are moderate. The effective rooting depth is 60 inches or more. Surface runoff is
medium, and the erosion hazard is low.
(50) (51) (52) Otero Sandy Loam
The Otero soil is a deep, well drained soil. It is formed on smooth plains in mixed outwash
deposits. The surface is a sandy loam. The underlying material is a calcareous fine sandy loam.
The soils have rapid permeability. Their available water holding capacity is moderate. Roots
penetrate to 60 inches or more. Runoff is slow ad the erosion hazard due to wind is severe.
River View Resource, CAMAS Colorado,Inc.
DING 112 Permit
Page 16
EXHIBIT 1.1
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SOURCE OE INFORMATION: U.S
DEBAR IMENT OF AGRICULTURE, SOIL
\ CONSERVA1ION SERVICE, WELD
COUNTY, COLORADO, SOUSEERN
2000 1000 0 2000
PART, BRACEWELL QUADRANGLE,
SHEET 7, 1974.
SCALE IN FELT
Oate. 6/29/99
Job No 99--162 RIVERVIEW RESOURCE a TuttleApplegate,Inc.
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Oes9a: atitaa 119900a90,a-a 301
Checks'. Nil . MAP = = De. Co 80233
Foe SOILS.OWG SOIL! MAP (303)35M611 Fa(303)452-2759
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