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LOGAN COUNTY, COLORADO <br />This unit is used for nonirrigated cropland and grazing. <br />The principal nonirrigated crops are wheat and millet. <br />The major problems in the area are soil blowing and <br />water erosion. Where the calcareous silty parent material <br />is exposed, soil blowing is more severe. <br />The potential for irrigated cropland is limited by slope <br />and lack of underground water. With intensive manage- <br />ment, these soils will yield favorably under nonirrigated <br />cropping. The potential for urban uses and roads is good. <br />The major limitation is soil blowing. The potential is fair <br />for openland wildlife habitat and poor for rangeland wil- <br />dlife habitat. <br />11. Wages - Satanta -Norka <br />Deep, nearly level to strongly sloping, well drained soils <br />forming in calcareous, loamy alluvial and eolian materi- <br />als on upland flats, in valleys, and on ridges <br />These soils are located in the uplands that lie north of <br />the South Platte River terrace. The unit is characterized <br />by high -lying upland flats that are dissected by <br />drainageways oriented in a southeastern direction. <br />This unit occupies about 6.5 percent of the county, a <br />total of approximately 79,360 acres. About 35 percent of <br />the unit is Wages soils, 20 percent Satanta soils, 15 per- <br />cent Norka soils, and the remaining 20 percent soils of <br />minor extent. <br />The major soils of this unit are deep, well drained <br />loamy soils formed in calcareous loamy eolian and alluvial <br />materials. Wages soils are on nearly level flats and gently <br />to moderately sloping hills. Satanta soils are in nearly <br />level upland valleys and on flood plains. Norka soils are <br />on nearly level upland flats. <br />The minor soils are the Altvan, Chappell, Manter, Dix, <br />and Bridgeport soils. These soils are deep and well <br />drained. Altvan soils are on hills and ridges and are un- <br />derlain by sand and gravel at 20 to 40 inches. The Chap- <br />pell and Bridgeport soils are on flood plains and alluvial <br />fans. Manter soils are on nearly level flood plains and <br />gently sloping ridges. Dix soils are on ridge crests and <br />knobs and are underlain by sand and gravel at less than <br />20 inches. <br />This unit is used for irrigated and nonirrigated <br />cropland and grazing. The more level areas that lie below <br />the North Sterling Canal are used for irrigated cropland. <br />Areas which cannot be reached by irrigation water are <br />used primarily for nonirrigated cropland. Wheat is the <br />main crop in nonirrigated areas. Corn, alfalfa, sugar beets <br />and small grains are the main crops in the irrigated areas. <br />Strongly sloping areas and Iow lying seeped areas are <br />used for grazing. The main limitations and problems of <br />this area are soil erosion on sloping lands, uniform appli- <br />cation and efficient use of irrigation water, seepage from <br />irrigation canals and laterals, and drainage. <br />This unit is an important irrigated cropland area, but <br />lacks an adequate supply of underground water. It is a <br />diversified agricultural area and is important for cropland <br />as well as cattle raising and feeding. The potential for <br />urban uses is good in most places with the exception of <br />seeped areas. The potential for openland and rangeland <br />wildlife is good in irrigated areas and poor to good in <br />nonirrigated. <br />Deep, Moderately Deep and Shallow Soils <br />Underlain by Consolidated Sediments on the <br />Uplands <br />12. Rosebud - Escabosa- Canyon <br />Moderately deep and shallow, gently sloping to moderate- <br />ly steep, well drained loamy soils underlain by calcare- <br />ous sandstone; on uplands <br />These gently sloping to moderately steep soils are in <br />the northwest corner of the county. They are underlain <br />by calcareous sandstone of the Ogallala Formation and <br />are divided by narrow elongated drainageways. <br />This unit occupies about 2 percent of the county, a total <br />of approximately 20,800 acres. About 50 percent of the <br />unit is Rosebud soils, 25 percent Escabosa soils, 15 per- <br />cent Canyon soils, and the remaining 10 percent soils of <br />minor extent. <br />Rosebud soils are moderately deep, well drained loamy <br />soils in footslope and midslope positions on ridges and <br />hills. Escabosa soils are moderately deep, well drained <br />loamy soils on crests and ridgetops. Canyon soils are shal- <br />low, well drained loamy soils on upland ridges and knobs. <br />All formed in calcareous loamy alluvial and eolian materi- <br />als underlain by calcareous sandstone. <br />The minor soils are the Albinas, Wages and Mitchell <br />soils. All are deep, well drained loamy soils. Albinas soils <br />are along narrow elongated drainageways. Wages and <br />Mitchell soils are on gentle and moderate slopes. <br />This unit is used for grazing and nonirrigated cropland. <br />The main crops are wheat and millet. Cropland areas are <br />commonly irregular in shape and divided by very steep <br />canyons. The soils are subject to a high soil blowing <br />hazard. Conserving moisture, controlling runoff and pro- <br />tecting the soil from soil blowing and water erosion are <br />the major concerns of management. <br />The potential for cropland development is limited by <br />shallow soils and steep slopes. The potential for urban <br />uses is fair. It is limited by depth to bedrock in some <br />places. The potential for openland wildlife and rangeland <br />wildlife habitat is fair. <br />13. Ustic Torriorthents - Badland <br />Shallow, steep, well drained loamy soils, underlain by <br />siltstone and calcareous sandstone, and Badland; on <br />uplands <br />This unit occurs as narrow bands of steep rocky land <br />and siltstone outcrops divided by deep gullies and ravines <br />(fig. 3) mostly in the northwestern part of the county. <br />This unit occupies about 2 percent of the county, a total <br />of approximately 24,320 acres. About 50 percent of the <br />unit is Ustic Torriorthents, 40 percent is Badland, and the <br />remaining 10 percent is soils of minor extent. <br />