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Official Series Description - APISHAPA Series <br />Page 2 of 2 <br />GEOGRAPHIC SETTING: Apishapa soils are on flood plains or in slightly depressed areas on plains and terraces. <br />Slope gradients range from 0 to about 4 percent. The soils formed in alluvial parent materials derived from mixed rock <br />sources. The average annual precipitation ranges from 6 to 16 inches, of which 8 to 10 inches falls during the months of <br />April through August. The frost-free season is 135 to 170 days. <br />GEOGRAPHICALLY ASSOCIATED SOILS: These are the Limon, Las, Las Animas, and Haverson soils. Las <br />Animas, Las, and Haverson soils have less than 35 percent clay in the particle size control section. Limon soils are well <br />drained. <br />DRAINAGE AND PERMEABILITY: Somewhat poorly drained or poorly drained; very slow runoff or ponded; slow <br />permeability. <br />USE AND VEGETATION: These soils are used principally as native hay or pastureland. Native vegetation is mainly <br />saltgrass, alkali sacaton, western wheatgrass, brush cactus, and greasewood. <br />DISTRIBUTION AND EXTENT: Eastern and southeastern Colorado and northern New Mexico in MLRA 67 and 69. <br />The series is of small extent. <br />MLRA OFFICE RESPONSIBLE: Salina, Kansas <br />SERIES ESTABLISHED: The Arkansas Valley Area, Colorado, 1926. <br />[National Cooperative Soil Survey <br />U.S.A. <br /> <br />11/02/2006 <br />.nres.usda.gov/osd/dat/A/API SHAPA.html <br />