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vrnciai genes Lescnpuuu - t,t»i.riw penes <br />LOCATION CAS CAJO CO+NM <br />Established Series <br />RJI,IGB <br />07/97 <br />CASCAJO SERIES <br />rage r ur c <br />The Cascajo series consists of deep, excessively drained soils that formed in very gravelly and sandy <br />alluvium over shale or sandstone at depths of 4 to 20 feet. Cascajo soils are on terraces, terrace edges <br />and ridges and have slopes of 2 to 40 percent. The mean annual precipitation is about 12 inches and the <br />mean annual temperature is about 52 degees F. <br />TAXONOMIC CLASS: Sandy-skeletal, mixed, mesic Ustic Haplocalcids <br />TYPICAL PEDON: Cascajo very gravelly sandy loam, grassland. (Colors aze for dry soil unless <br />otherwise noted.) <br />A--O to 6 inches; light brown (7.SYR 6/4) very gravelly sandy loam, dark brown (7.SYR 4/4) moist; <br />moderate medium granulaz structure; slightly hard, very friable; common very fine roots; 40 percent <br />pebbles, 15 percent cobbles; weakly calcareous; moderately alkaline; clear wavy boundary. (2 to 6 <br />inches thick) <br />AC--6 to 10 inches; light brown (7.SYR 614) very gravelly sandy loam, dark brown (7.SYR 4/4) moist; <br />weak medium subangular blocky structure; slightly hard, very friable; common very fine roots; 40 <br />percent pebbles, 10 percent cobble; slightly calcareous; moderately alkaline; clear irregular boundary. (0 <br />to 8 inches thick) <br />Ck--10 to 21 inches; very pale brown (lOYR 8/3) very gravelly sandy loam, pale brown (lOYR 6/3) <br />moist; weak medium subangular blocky structure; slightly hazd, loose; few very fine roots; 40 percent <br />pebbles, 5 percent cobbles; strongly calcareous and thick lime coatings on pebbles and cobbles; <br />moderately alkaline; clear wavy boundary. (10 to 24 inches thick) <br />C--21 to 48 inches; very pale brown (lOYR 7/3) stratified very gravelly loamy coarse sand and very <br />gravelly sand, brown (1 OYR 5/3) moist; single grain; loose; 40 percent pebbles, 15 percent cobbles; <br />strongly calcareous; moderately alkaline. <br />TYPE LOCATION: Pueblo County, Colorado; northwest 1/4 of southeast 1/4 of Sec. 15, T. 21 S., R. <br />64 W. <br />RANGE IN CHARACTERISTICS: Mean annual soil temperature is about 52 degrees F., mean <br />summer soil temperature is about 69 degrees F. Colors throughout the profile range from 7.SYR through <br />2.SY in hue, 2 through 4 in chroma, and 4 through 8 in value. Texture of the A, AC, and Ck horizons are <br />modified with pebbles and cobbles and range from gravelly sandy loam through very gravelly or <br />extremely cobbly sand or sandy loam. <br />The C horizon may range to extremely cobbly loamy sand or sand. <br />http://ortho.ftw.nres.usda.gov/cgi -bin/osd/osdname. cgi?-P <br />4/29/2004 <br />