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<br />0 Worm and insect castings are in the A12 and C1
<br />Rio Blanco County Area, Colorado
<br />The 62t horizon has hue of 10YR to 5YR, value of 4
<br />to 6 when dry and 4 or 5 when moist, and chroma of 3
<br />to 6 when dry or moist. It is strongly alkaline or very
<br />strongly alkaline clay loam, sandy clay loam, or loam.
<br />The C horizon has hue of 10YR to 5YR. It is sandy
<br />loam to loam and is 5 to 15 percent rock fragments,
<br />mainly gravel. It commonly has fine crystalline deposits
<br />of gypsum.
<br />Trembles series
<br />The Trembles series consists of deep, moderately well
<br />drained soils on alluvial valley floors, flood plains, and
<br />low stream terraces. These soils formed in mixed
<br />alluvium. Slope is 0 to 3 percent. Average annual
<br />precipitation is about 15 inches, and average annual air
<br />temperature is about 43 degrees F.
<br />These soils are coarse-loamy, mixed (calcareous),
<br />frigid Typic Ustifluvents.
<br />Typical pedon of Trembles loam, wet, 200 feet east
<br />and 500 feet south of the northwest corner of sec. 2, T.
<br />1 N., R. 97 W.
<br />All-0 to 3 inches; light gray (2.5Y 7/2) loam, light
<br />yellowish brown (2.5Y 6/4) moist; moderate medium
<br />subangular blocky structure; slightly hard, friable,
<br />slightly sticky and slightly plastic; calcareous;
<br />moderately alkaline; clear wavy boundary.
<br />A12-3 to 8 inches; pale brown (10YR 6/3) loam, brown
<br />(10YR 4/3) moist; moderate fine subangular blocky
<br />structure parting to moderate fine granular; slightly
<br />hard, friable, slightly sticky and slightly plastic;
<br />calcareous; moderately alkaline; clear wavy
<br />boundary.
<br />C1-8 to 20 inches; very pale brown (10YR 7/3) fine
<br />sandy loam, brown (10YR 5/3) moist; weak fine
<br />subangular blocky structure; slightly hard, very
<br />friable, nonsticky and nonplastic; calcareous;
<br />moderately alkaline; clear smooth boundary.
<br />C2-20 to 42 inches; very pale brown (10YR 7/3) fine
<br />sandy loam, pale brown (10YR 6/3) moist; massive;
<br />soft, very friable, nonsticky and nonplastic; few small
<br />soft masses of calcium carbonate in upper part; faint
<br />yellow (10YR 7/6) and very pale brown (10YR 7/4,
<br />moist) mottles in lower part; calcareous; moderately
<br />alkaline; clear wavy boundary.
<br />C3-42 to 60 inches; light gray (2.5Y 7/2) stratified
<br />sandy loam and fine sandy loam, light brownish gray
<br />(2.5Y 6/2) moist; common medium distinct mottles
<br />that are pale yellow (2.5Y 7/4) and yellow (2.5Y
<br />7/6) when moist; massive; soft, very friable,
<br />nonsticky and nonplastic; calcareous; moderately
<br />alkaline.
<br />horizons in most pedons. A seasonal high water table is
<br />at a depth of 36 to 60 inches.
<br />13%?
<br />Turley series
<br />The Turley series consists of deep, well drained soils
<br />on alluvial fans, alluvial valley floors, and low terraces.
<br />These soils formed in calcareous alluvium. Slope is 0 to
<br />8 percent. Average annual precipitation is about 10
<br />inches, and average annual air temperature is about 48
<br />degrees F.
<br />These soils are fine-loamy, mixed (calcareous), mesic
<br />Typic Torriorthents.
<br />Typical pedon of Turley fine sandy loam, 0 to 3
<br />percent slopes, 350 feet east and 240 feet north of the
<br />south quarter corner of sec. 21, T. 2 N., R. 102 W.
<br />Al-0 to 4 inches; light brownish gray (2.5Y 6/2) fine
<br />sandy loam, dark grayish brown (2.5Y 4/2) moist;
<br />weak medium platy structure parting to fine granular;
<br />soft, very friable, nonsticky; calcareous; moderately
<br />alkaline; clear smooth boundary.
<br />AC-4 to 14 inches; light brownish gray (2.5Y 6/2) loam,
<br />grayish brown (2.5Y 5/2) moist; weak coarse
<br />subangular blocky structure; slightly hard, very
<br />friable; calcareous; moderately alkaline; clear
<br />smooth boundary.
<br />C1-14 to 25 inches; light brownish gray (2.5Y 6/2)
<br />loam, grayish brown (2.5Y 5/2) moist; massive;
<br />slightly hard, very friable; calcareous; moderately
<br />alkaline; gradual smooth boundary.
<br />C2-25 to 60 inches; light brownish gray (2.5Y 6/2)
<br />loam, grayish brown (2.5Y 5/2) moist; massive;
<br />slightly hard, friable; few fine filaments of white
<br />(10YR 8/2) lime and salt crystals; calcareous;
<br />strongly alkaline.
<br />The profile has hue of 2.5Y to 10YR.
<br />Uffens series
<br />The Uffens series consists of deep, well drained soils
<br />on fans and low terraces. These soils formed in
<br />calcareous and saline mixed alluvium. Slope is 0 to 5
<br />percent. Average annual precipitation is about 8 inches,
<br />and average annual air temperature is about 48 degrees
<br />F.
<br />These soils are fine-loamy, mixed, mesic Typic
<br />Natrargids.
<br />Typical pedon of Uffens loam, 0 to 5 percent slopes,
<br />1,200 feet west and 525 feet north of the southeast
<br />corner of sec. 12, T. 2 N., R. 104 W.
<br />A2-0 to 2 inches; very pale brown (10YR 7/3) loam,
<br />brown (10YR 5/3) moist; weak medium and coarse
<br />platy structure parting to moderate fine and medium
<br />granular; slightly hard, very friable, nonsticky and
<br />nonplastic; calcareous; strongly alkaline; abrupt
<br />wavy boundary.
<br />B21t-2 to 8 inches; light yellowish brown (10YR 6/4)
<br />light clay loam, yellowish brown (10YR 5/4) moist;
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