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<br /> Iw V►V R. ,Vauca cti ,vtt 11411.1 nyu uiuwutg are inotterate
<br /> hazards. Included in mapping are a few small areas of Terrace Escarpments
<br /> Platner loam that commonly are in small depressionaI
<br /> areas. Terrace escarpments (Tc) occur as breaks or steep
<br /> Most areas of this soil are cultivated, but a few side slopes adjacent to the channels of present or former
<br /> areas remain in native grass. Capability unit IVe-.3, streams. They also occur as the steep faces of terraces
<br /> nonirrigated; Loamy Plains range site; tree planting that border bottom lands and flood plains.
<br /> suitability group 1. This land type consists of alluvium of variable materials
<br /> I Stoneham loam,3 to 9 percent slopes(St0).—This soil and is very shallow over gravel and sand.These materials
<br /> has the profile described as representative for the series. have a loamy sand or sandy loam surface layer.In many
<br /> It is on uplands near major stream channels in scattered areas this layer is 5 to 20 percent gravel. Shale and sand-
<br /> , areas throughout the county. The are are uniform in stone outcrops are in some areas.Included in mapping are
<br /> shape and range from 50 to 80 acres in size. Runoff is very small areas of a Vona loamy sand,a Vona sandy loam,
<br /> generally medium but is rapid if the soil is unprotected. and a Dacono loam,all good soils for farming.
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<br /> IADAMS COUNTY, COLORADO 23
<br /> The surface layer varies in reaction from place to B3ca-11 to 18 inches, pale-brown (10YR 6/3) sandy loam,
<br /> place and in places is calcareous. Slopes differ widely brown (10YR 5/8) when moist; very weak,medium,
<br /> I within short distances and range, from 1 to 80 percent. thin patchy blocky structure; hard„ friable; very
<br /> ? l thin patchy clay films on.peds; calcareous and con-
<br /> tains lime in faint splotches; moderately alkaline;
<br /> steep, too shallow, or too-unstable for cultivation or gradual, smooth boundary.
<br /> good grass management. C1at-18 to 23 inches,very pale brown (10YR 7/3) fine sandy
<br /> 8 g agem loam, brown (10YR 5/8) when moist;. massive;
<br /> Much of this land type is rapidly being mined for slightly hard, friable; catcareona and contains lime
<br /> sand and gravel, and thereafter is not usable for farm- in streaks; moderately alkaline; gradual, smooth
<br /> in. Such areas are used as a dumping ground or are boundary.
<br /> back filled with better soil material in places. Many a-23 to;39 inches, light yellowish-brown (2.51 6/4)
<br /> I areas of this land'type are well..suited to housing or moist tote sans, light olive brown (2eo 5/4) when
<br /> ype g moist; massive; bard,•friable; calcareous and Eon-
<br /> industrial developments or highway location. Prior to fates lime in common,'medium, prominent mottles;
<br /> use for these purposes,however,the stability of the soils moderately alkaline;clear,wavy boundary.
<br /> should be determined because of slope or lack of binder R-38 inches, soft but inhibiting Rine-grained sandstone,light
<br /> I soil particles. The soils normally have good bearing
<br /> gray (10YR in spots;ots;: oderalcareoaa, except mildly cat-
<br /> P y it camas in spots;moderately alkaline'
<br /> capacity for foundations, low shrin hazard properties, The A horizon ranges from 2 to 6 Caches In tlttckneas,from
<br /> natural drainage, and a•low hazard of hydrolysis grayish brown to pale brown in or color, and from loamy fine .
<br /> ' buried metal pipe. Open ditches for transporting sand to fine sandy loam in texture. The B horizon ranges
<br /> water are not suited because of rapid seepage. from 6 to 24 inches in thickness.Depth to calcareous material
<br /> I In some areas lawns and gardens would:have to be ranges from 0 to 20 inches. Depth to bedrock ranges from
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<br /> built up, using better soil materials from other areas. • 20 to 40 inches.
<br /> In some areas,old gravel pits have been used as dump Terry fine sandy loam,0 to 3 percent slopes (TeBi.-
<br /> areas,then packed and filled with outside'soil materials, This nearly-level to very gently sloping soil is in irregu-
<br /> Iand then developed for.homesites.Capability unit VIIe- larly Shaped areas that range from 20 to 60 acres in size.
<br /> 8, nonirrigated; Gravel Breaks range site; tree planting This soil has a profile that is similar to the profile de-
<br /> suitability.group.4. , scribed as representative for. the series, but it has a
<br /> thicker surface layer and subsoil. Surface runoff is slow,
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