Soil Attributes for Spearfish data set are based on information published in the LAWRENCE COUNTY, SOUTH DAKOTA Soils Survey, August 1979, USDA, NRCS. #55 categories - Soils map of SPEARFISH sample data set for GRASS GIS The first letter always capital is the initial letter of the soil name. The second letter is a capital if the mapping unit is broadly defined; otherwise, it is a small letter. The third letter, always a capital, A, B, C, D, E or F, indicates the slope. Symbols without slope letter are those of mapping units that do not have slope as part of the name. -------------cut here------------------------------------------------ 0.00 0.00 0.00 0.00 0:no data: 1:AaB:Alice fine sandy loam, 0 to 6 2:Ba:Barnum silt loam 3:Bb:Barnum silt loam, channeled 4:BcB:Boneek silt loam, 2 to 6 5:BcC:Boneek silt loam, 6 to 9 6:BeE:Butche stony loam, 6 to 50 7:BhE:Butche rock outcrop complex, 25 to 50 8:BkD:Butche Satanta loams, 6 to 25 9:CBE:Citadel association, hilly 10:CaD:Canyon-Bridget complex, 6 to 25 11:CaE:Canyon-Bridget complex, 9 to 50 12:Cc:Dumps,mine 13:GBE:Grizzly-Virkula association, steep 14:GaD:Glenberg Variant fine sandy loam 15:GcD:Grummit-Rock outcrop complex, 3 to 20 16:GdE:Grummit-Rock outcrop complex, 15 to 50 17:GeD:Gypnevee-Rekop loams, 6 to 25 18:HBF:Hisega-Rock outcrop association, steep 19:Ha:Higgins silt loam 20:KaB:Kyle clay, 2 to 6 21:LaE:Lakoa silt loam, 25 to 50 22:MaC:Maitland loam, 2 to 9 23:MaD:Maitland loam, 9 to 50 24:McD:Midway-Razor silty clay loams, 6 to 25 25:NaB:Nevee silt loam, 2 to 6 26:NaC:Nevee silt loam, 6 to 9 27:Nac:Nevee silt loam, 6 to 9 28:NbD:Nevee-Spearfish-Rock outcrop complex, 9 to 40 29:NcD:Nihill gravelly loam, 6 to 25 30:NdB:Nunn clay loam, 2 to 6 31:NdC:Nunn clay loam, 6 to 9 32:PbE:Paunsaugunt-Rock outcrop complex, 6 to 50 33:PcB:Pierre clay, 2 to 6 34:PcD:Pierre clay, 6 to 25 35:Pe:Pits, quarry 36:RBF:Rock outcrop-Pactola association, steep 37:RCF:Rock outcrop-Vanocker association, very steep 38:RaE:Rekop-Gypnevee-Rock outcrop complex, 15 to 50 39:SaA:Satanta loam, 0 to 2 40:SaB:Satanta loam, 2 to 6 41:SbB:Savo silt loam, 2 to 6 42:Sd:Stetter Variant silty clay loam 43:ShA:St. Onge loam, 0 to 2 44:Sk:Swint silt loam 45:TaA:Tilford silt loam, 0 to 2 46:TaB:Tilford silt loam, 2 to 6 47:TaC:Tilford silt loam, 6 to 9 48:VBF:Vanocker-Citadel association, steep 49:VCE:Virkula association, hilly 50:VaA:Vale silt loam, 0 to 2 51:VaB:Vale silt loam, 2 to 6 52:VaC:Vale silt loam, 6 to 9 53:WaA:Weber loam, 0 to 2 54:Wb:Winetti cobbly loam 55:water