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<br />Huerfano County Area, Colorado
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<br />Rock outcrop. The remaining 35 percent is components
<br />of minor extent.
<br />Travessilla soils are shallow and well drained. They
<br />formed in residuum derived dominantly from sandstone.
<br />The soils are medium textured and are underlain by
<br />sandstone at a depth of 15 inches.
<br />Rock outcrop consists of areas of exposed sandstone.
<br />Of minor extent in this unit are well drained Kim and
<br />Wiley soils on foot slopes and uplands.
<br />This unit is used as rangeland.
<br />Wildlife such as antelope, mule deer, cottontail,
<br />jackrabbit, coyote and limited numbers of mourning dove
<br />and scaled quail inhabit this unit.
<br />This unit is poorly suited to homesite development.
<br />The main limitations are depth to bedrock and steepness
<br />of slope.
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<br />5. Manvel-Penrose-N1innequa
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<br />Shallow to deep, well drained, gently sloping to
<br />moderately steep soils; on foot slopes and uplands
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<br />This map unit is in the eastern part of the survey area.
<br />Slope is 1 to 25 percent. The vegetation on the Manvel
<br />and Minnequa soils is mainly grass. The vegetation on
<br />the Penrose soils is mainly pinyon and juniper. Elevation
<br />is 5,500 to 6,300 feet. The average annual precipitation
<br />is about 11 to 15 inches, the average annual air
<br />temperature is 46 to 54 degrees F, and the average
<br />frost-free season is 120 to 165 days.
<br />This unit makes up about 6 percent of the survey area.
<br />It is about 30 percent Manvel soils, 25 percent Penrose
<br />soils, and 15 percent Minnequa soils. The remaining 30
<br />percent is components of minor extent.
<br />Manvel soils are on foot slopes and uplands. These
<br />soils are deep and welt drained. They formed in
<br />residuum and colluvium derived dominantly from
<br />limestone and shale. The soils are medium textured or
<br />moderately fine textured throughout.
<br />Penrose soils are on uplands. These soils are shallow
<br />and well drained. They formed in residuum and colluvium
<br />derived dominantly from limestone. The soils are medium
<br />textured and are underlain by limestone at a depth of 14
<br />inches.
<br />Minnequa soils are on uplands. These soils are
<br />moderately deep and well drained. They formed in
<br />residuum and locally transported sediment derived
<br />dominantly from limestone and shale. The soils are
<br />medium textured throughout.
<br />Of minor extent in this unit are Manzanola soils,
<br />somewhat excessively drained Otero soils, and Rock
<br />outcrop.
<br />Most areas of this unit are used as rangeland. A few
<br />areas are used as nonirrigated cropland.
<br />The main limitations of this unit for nonirrigated crops
<br />are the hazard of soil blowing and insufficient
<br />precipitation.
<br />Wildlife such as antelope, cottontail, jackrabbit, scaled
<br />quail, skunks, badger, and coyote inhabit this unit. Trees
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<br />and brush provide food and cover for limited numbers of
<br />mule deer and mourning dove. Areas used as cropland
<br />provide additional food, and windbreaks and
<br />environmental plantings provide additional cover.
<br />The Manvel and Minnequa soils are well suited to
<br />homesite development. The Penrose soils are limited by
<br />shallow depth to bedrock, areas of Rock outcrop, and
<br />steepness of slope.
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<br />6. Manzanola-Razor
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<br />Moderately deep and deep, well drained, nearly level to
<br />moderately steep soils; on fans, hills, and terraces
<br />
<br />This map unit is in the eastern part of the survey area.
<br />Slope is 0 to 20 percent. The vegetation is mainly grass.
<br />Elevation is 5,500 to 6,600 feet. The average annual
<br />precipitation is about 12 to 16 inches, the average
<br />annual air temperature is 49 to 54 degrees F, and the
<br />average frost-free season is 125 to 165 days.
<br />This unit makes up about 6 percent of the survey area.
<br />It is about 45 percent Man~anola soils and 25 percent
<br />Razor soils. The remaining 30 percent is components of
<br />minor extent.
<br />Manzanola soils are on terraces and fans. These soils
<br />are deep and well drained. They formed in alluvium and
<br />residuum derived dominantly from shale. The soils are
<br />moderately fine textured or fine textured throughout.
<br />They are slightly affected by salt and alkali.
<br />Razor soils are on hills. These soils are moderately
<br />deep and well drained. They formed in residuum and
<br />colluvium derived dominantly from shale. The soils are
<br />moderately fine textured throughout. They are slightly
<br />affected by salt and alkali.
<br />Of minor extent in this unit are the excessively drained
<br />Schamber soils, Limon soils, and shallow Midway soils.
<br />Most areas of this unit are used as rangeland. A few
<br />areas, mainly of Manzanola soils, are used for irrigated
<br />hay and pasture.
<br />If this unit is used for irrigated hay and pasture, the
<br />main limitations are slow permeability, the hazard of
<br />erosion, and steepness of slope in some areas.
<br />Wildlife such as mule deer, antelope, mourning dove,
<br />scaled quail, cottontail, jackrabbit, coyote. and limited
<br />numbers of bobcat and skunks inhabit the unit. Areas
<br />used as cropland provide additional food, and
<br />windbreaks and environmental plantings provide
<br />additional cover.
<br />If this unit is used for homesite development, the main
<br />limitations are high shrink-swell potential, slow
<br />permeability, and slope.
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<br />soils on foothills
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<br />This group consists of six map units. It makes up
<br />about 42 percent of the survey area. The soils in this
<br />group are gently sloping to extremely steep. The native
<br />vegetation is mainly grass on the more gently sloping
<br />soils and pinyon and juniper on the steeper soils.
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