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DISTRIBUTION AND EXTENT: Central New Mexico and southern Colorado. The series is of moderate <br />extent. <br />MLRA OFFICE RESPONSIBLE: Temple, Texas <br />SERIES ESTABLISHED: Valencia County (East Valencia Area), New Mexico, 1970. <br />REMARKS: DIAGNOSTIC HORIZONS AND FEATURES RECOGNIZED IN THIS PEDON ARE: <br />Ochric epipedon - from the soil surface to a depth of about 7 inches. (A horizon) <br />Calcic horizons - the zone between 7 and 16 inches. (131<1, Bk2 horizons) <br />Lithic contact - the occurrence of limestone at 16 inches. <br />National Cooperative Soil Survey, U.S.A. <br />PROGRESSO SERIES <br />LOCATION PROGRESSO CO+AZ NM <br />Established Series <br />Rev. BDS/GB/RLB <br />8/97 <br />The Progresso series consists of moderately deep, well drained soils formed in alluvium derived from <br />sandstone or limestone. Progresso soils are on old terraces, benches, mesas, and upland hills and <br />ridges. Slopes range from 0 to 15 percent. The mean annual precipitation is about 14 inches and the <br />mean annual temperature is about 46 degrees F. <br />TAXONOMIC CLASS: Fine-loamy, mixed, superactive, mesic Ustic Calciargids <br />TYPICAL PEDON: Progresso loam - rangeland. (Colors are for dry soil unless otherwise noted.) <br />A--0 to 7 inches; reddish brown (5YR 5/4) loam, dark reddish brown (5YR 3/4) moist; weak fine <br />granular structure; slightly hard, very friable, slightly sticky and plastic; slightly alkaline; clear smooth <br />boundary. (4 to 8 inches thick) <br />(Revised June 2008) Attachment 2.04.9-3-33