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VALLEYCITY SERIES <br />LOCATION VALLEYCITY LIT <br />Established Series <br />REV: VKH/DTH/RLM <br />11/82 <br />The Valleycity series consists of shallow, well drained, moderately permeable soils formed in colluvium <br />and residuum from calcareous sandstone and shale. These soils occur on backslopes, ridges, and <br />hogbacks with slopes of 8 to 25 percent. Average annual precipitation is 5 to 8 inches and mean annual <br />temperature is about 53 degrees F. <br />TAXONOMIC CLASS: Loamy-skeletal, mixed, mesic Lithic Haplargids <br />TYPICAL PEDON: Valleycity very stony fine sandy loam, rangeland. (Colors are for air-dry soil unless <br />noted.) <br />A-0 to 3 inches; light brown (7.5YR 6/4) very stony fine sandy loam, brown (7.5YR 5/4) moist; weak <br />medium platy structure parting to weak fine and very fine subangular blocky; soft, very friable; few fine <br />and very fine roots; many fine and very fine interstitial pores; 10 percent stones, 20 percent cobbles, <br />and 30 percent pebbles on the surface, 15 percent cobbles and 15 percent pebbles; moderately <br />calcareous; moderately alkaline (pH 8.4); clear wavy boundary. (2 to 5 inches thick) <br />Bt-3 to 8 inches; brown (7.5YR 5/4) extremely stony sandy clay loam, dark brown (7.5YR 4/4) moist; <br />moderate medium and fine subangular blocky structure; slightly hard, friable, sticky and plastic; many <br />medium, fine and very fine roots; many medium, fine and very fine tubular pores; few thin patchy clay <br />films in pores and as bridging between sand grains; 20 percent stones, 30 percent cobbles, 20 percent <br />pebbles; moderately calcareous; moderately alkaline (pH 8.2); clear wavy boundary. (4 to 6 inches <br />thick) <br />BCk-8 to 12 inches; pink (7.5YR 7/4) extremely stony sandy loam, light brown (7.5YR 6/4) moist; weak <br />fine subangular blocky structure; hard; friable; slightly sticky and slightly plastic; common medium, fine <br />and very fine roots; many fine, very fine and common medium pores; 30 percent stones, 20 percent <br />cobbles, 20 percent pebbles; very strongly calcareous; strongly alkaline (pH 8.8); abrupt irregular <br />boundary. (1 to 5 inches thick) <br />(Revised June 2008) Attachment 2.04.9-3-40