2012-05-10_PERMIT FILE - M2012023

Home Browse Search

Official Series Description - TRUJILLO Series https: / /soilseries.sc.egov .usda.gov /OSD_Docs /T /TRUJILLO html noneffervescent); slightly alkaline (pH 7.5). TYPE LOCATION: Las Animas County, Colorado; about 0.6 miles north of Gulnare, Colorado; located about 1,150 feet east and 800 feet north of the southwest corner of sec. 23, T. 31 S., R. 66 W.; Gulnare USGS quad; lat. 37 degrees 19 minutes 32 seconds N. and long. 104 degrees 45 minutes 17 seconds W., NAD 1923 RANGE IN CHARACTERISTICS: Soil moisture: The soil moisture control section is moist in some part April through August; ustic moisture regime. Mean annual soil temperature: 40 to 46 degrees F Mean summer soil temperature: 60 to 63 degrees F Depth to argillic horizon: 7 to 10 inches Depth to secondary calcium carbonate: 40 to 65 inches Thickness of the argillic: 23 to 40 inches Particle -size control section (weighted average): Clay content: 20 to 30 percent Sand content: 40 to 60 percent Rock fragments: 0 to 5 percent gravel A horizon: Hue: 7.YR or 10YR Value: 3 or 4 dry, 2 or 3 moist Chroma: 2 or 3 Texture: loam, sandy loam Clay content: 10 to 20 percent Rock fragments: 0 to 5 percent Reaction: slightly acid or neutral A BA horizon is present in some pedons Bt horizons: Hue: 7.5YR or 10YR Value: 4 to 6 dry, 3 to 5 moist Chroma: 2 to 4 Texture: sandy clay loam, clay loam Clay content: 20 to 35 percent Rock fragments: 0 to 5 percent Base saturation: 85 to 100 percent Reaction: slightly acid to slightly alkaline Bw horizon: (if present) Hue: 7.5YR or 10YR Value: 5 or 6 dry, 4 or 5 moist Chroma: 3 or 4 Texture: fine sandy loam, sandy loam, loam, sandy clay loam Clay content: 15 to 27 percent Rock fragments: 0 to 15 percent Reaction: neutral or slightly alkaline 2 of 5 4/9/2012 4:37 PM