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6 SOIL SURVEY
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<br />acid clay loam. Between depths of 25 and 42 inches, the tween depths of 4 and 63 inches, the soil is reddish
<br />soil is yellowish red, very strongly acid clay loam that has brown, very fine sandy loam that has thin strata of loam
<br />vertical streaks of uncoated sand grains. Between and many bedding planes. Many areas of Severn soils
<br />depths of 42 and 80 inches, the soil is red and yellowish haVe thin layers of silty clay loam overwash.
<br />red, very strongly acid sandy clay loam that has vertical Caspiana soils are nearly level and are on Iow te~-'-
<br />streaks of uncoated sand grains. . races. These soils are well drained and moderately per-
<br />Porum soils are stronglY sloping to moderately steep meable. The surface layer is dark brown, slightly acid silt
<br />and are on sides of dissected high terraces of major loam about 10 inches thick. Between depths of 10 and
<br />streams. These soils are moderately well drained and 16 inches, the soil is dark reddish brown, neutral silt
<br />very slowly permeable. The surface layer is dark grayish loam. Between depths of 16 and 19 inches, the soil is
<br />brown, medium acid fine sandy loam about $ inches dark brown, neutral silt loam. Between depths of 19 and
<br />thick. Between depths of 3 and 7 inches, the.soil is pale 48 inches, the soil is reddish brown, neutral silt loam.
<br />brown, medium acid fine sandy loam. Between depths of Between depths of 48 and 80 inches, the soil is yellow-
<br />7 and 17 inches, the soil is red, very strongly acid clay ish red, neutral silt loam.
<br />that has strong brown mottles. Between depths of 17 Desha soils are nearly level and are in backswamp
<br />and 31 inches, the soil is yellowish red, very strongly areas and depressional meander belts. These soils are
<br />acid clay that has strong brown and light gray mottles, somewhat poorly drained and very slowly permeable.
<br />Between depths of 31 and 42 inches, the soil is yellow- The surface layer is dark reddish brown, mildly all<aline
<br />ish red, strongly acid sandy clay loam that has gray, clay about 26 inches thick. Between depths of 26 and 70
<br />strong brown, and red mottles. Between depths of 42 inches, the soil is reddish brown, moderately alkaline
<br />and 65 inches, the soil is strong brown, medium acid clay.
<br />sandy clay loam that has light gray and yellowish red Other soils are Redlake, Belk, Muldrow, Norwood,
<br />mottles and vertical streal<s of uncoated sand grains. Harjo, and Kiomatia soils. Redlal<e, Bell<; Muldrow, Nor-
<br />Other soils are Annona, Woodtell, Freestone, Derly, wood, Harjo, and Kiomatia soils ~re nearly level to gently
<br />Karma, Raino, Hicota, and Guyton soils. Annona, Wood- sloping and are on flood plains. The clayey Redlake and
<br />tell, Freestone, and Derly soils are loamy, have a clay Belk soils and the loamy Muldrow and Norwood soils are
<br />subsoil, and are on uplands. Karma soils are loamy and on bottom lands and are rarely inundated. The clayey
<br />are on Iow terraces. Raino and Hicota soils are loamy Harjo and the sandy Kiomatia soils are frequently
<br />soils on mounds within areas of Derly and Freestone flooded.
<br />soils. Guyton soils are loamy, are frequently flooded, and The soils in this unit have high potential for cultivated
<br />are on narrow bottom lands, crops and pasture and hay. Row crops, forage crops,
<br />The soils in this unit have medium potential for culti- legumes, and small grains grow well. Surface drainage
<br />vated crops and pasture and hay because of slope and may be needed in some places that are somewhat
<br />erodibility. These soils are suited to corn, soybeans, im- poorly drained or poorly drained. These soils are the
<br />proved bermudagrass, clover, and fescue grass. There is most productive and intensely cultivated in the survey
<br />no range in this unit. Potential for woodland and wood- area. Potential for woodland and woodland grazing is
<br />land grazing is medium because of Iow fertility. The more high. There is no range. ~. ;'
<br />sloping soils are suited to these uses. The potential for most urban uses is Iow because of '
<br />Potential of the soils in this unit for urban uses and flooding. Potential for recreation is Iow because of flood-
<br />recreation is medium. Slope, shrinking and swelling with lng and a surface layer that is too clayey.
<br />moisture changes, and Iow strength are the main limiting
<br />factors. Land use considerations
<br />6. Severn-Casplana-Desha Deciding which land should be used for crops, pasture
<br />Near~y I~vel to gently sloping, moderately rapidly perme- and hay, range, woodland, urban uses, or recreation is
<br />able to very slowly permeable, loamy and clayey so#s on an important issue in this survey area. Each year a
<br />floodplains considerable amount of land is developed for each of
<br /> these uses. The general soil map is most helpful in the
<br />This map unit consists of soils on bottom lands and general planning of development; however, it cannot be
<br />Iow stream terraces. Slopes are 0 to 5 percent (fig. 4). used for the selection of sites for specific uses. In gener-
<br />This unit makes up about 4 percent of the survey area. It al, the soils that have high potential for crops, pasture
<br />is about 30 percent Severn soils, 17 percent Caspiana and hay, and range have Iow potential for urban uses
<br />soils, 16 percent Desha soils, and 37 percent other soils, and recreation. The data about specific soils elsewhere
<br />Severn soils ara nearly level to gently sloping and ara in this survey can be helpful in planning futura land use.
<br />on flood plains. These soils are well drained and moder- General soil map units I and 6 have high potential for
<br />ately rapidly permeable. The surface layer is reddish crops and pasture and hay but Iow potential for urban
<br />brown, very fine sandy loam about 4 inches thick. Be- uses and recreation. The soils in these units are the
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