2011-08-09_REVISION - M1981185 (60)

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• • Contents Preface 2 How Soil Surveys Are Made 6 Soil Map 8 Soil Map 9 Legend 10 Map Unit Legend 11 Map Unit Descriptions 12 Animas - Dolores Area, Colorado, Parts of Archuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan, and San Miguel Counties 14 54— Quazar very cobbly loam, 5 to 25 percent slopes 14 154 — Frisco - Horsethief complex, 30 to 75 percent slopes 14 159 — Tuckerville very stony sandy loam, 15 to 55 percent slopes 16 162 — Quazar - Varden complex, 15 to 65 percent slopes 17 250 — Snowdon -Rock outcrop complex, 30 to 65 percent slopes 18 251 —Rock outcrop- Snowdon complex, 45 to 75 percent slopes 20 254 — Cryorthents- Rubble land complex, 30 to 75 percent slopes 21 331 — Needleton stony loam, 30 to 65 percent slopes 22 336 — Whitecross -Rock outcrop complex, south aspect, 30 to 75 percent slopes 23 495 — Riverwash 24 605 — Nordicol very stony sandy loam, 6 to 25 percent slopes 25 610 — Wander- Hotter - Hourglass complex, 30 to 60 percent slopes 26 699 — Haplocryolls- Rubble land complex, 10 to 60 percent slopes 28 907 — Archuleta- Sanchez complex, 12 to 65 percent slopes 29 La Plata County Area, Colorado 31 7— Archuleta- Sanchez complex, 12 to 65 percent slopes 31 19— Clayburn loam, 3 to 12 percent slopes 32 32— Haploborolls- Rubble land complex, 10 to 60 percent slopes 33 37 —Herm loam, 6 to 25 percent slopes 34 39— Hesperus loam, 3 to 12 percent slopes 35 43— Leadville very stony sandy loam, 15 to 55 percent slopes 36 46— Nordicol very stony sandy loam, 6 to 25 percent slopes 36 49— Pastorius cobbly loam 37 50— Pescar fine sandy loam 38 57— Riverwash 39 71—Valto-Rock outcrop complex, 12 to 65 percent slopes 39 Soil Information for All Uses 41 Suitabilities and Limitations for Use 41 Land Management 41 Potential for Damage by Fire 41 Potential for Damage by Fire, 47 Suitability for Mechanical Planting 52 Vegetative Productivity 58 Range Production (Favorable Year) 58