Soil Survey of Sweet Grass County Area, Montana - Soil Data Mart
Soil Survey of Sweet Grass County Area, Montana - Soil Data Mart
Soil Survey of Sweet Grass County Area, Montana - Soil Data Mart
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
<strong>Sweet</strong> <strong>Grass</strong> <strong>County</strong> <strong>Area</strong>, <strong>Montana</strong>—Part I 325<br />
Beehive and similar soils<br />
Composition: 30 percent<br />
Geomorphic description: Flood plain<br />
Slope: 0 to 4 percent<br />
Elevation: 6,000 to 7,500 feet<br />
Effective annual precipitation: 20 to 25 inches<br />
Frost-free period: 50 to 70 days<br />
Surface layer texture: Gravelly sandy loam<br />
Drainage class: Somewhat poorly drained<br />
Parent material: Sandy and gravelly alluvium<br />
Native plant cover type: Forestland<br />
Flooding: Frequent<br />
Water table: Present<br />
Available water capacity: Mainly 2.6 inches<br />
Bearmouth and similar soils<br />
Composition: 20 percent<br />
Geomorphic description: Stream terrace<br />
Slope: 0 to 4 percent<br />
Elevation: 6,000 to 7,500 feet<br />
Effective annual precipitation: 20 to 25 inches<br />
Frost-free period: 50 to 70 days<br />
Surface layer texture: Gravelly sandy loam<br />
Drainage class: Well drained<br />
Parent material: Sandy and gravelly alluvium<br />
Native plant cover type: Forestland<br />
Available water capacity: Mainly 3.6 inches<br />
Additional Components<br />
Libeg and similar soils: 5 percent<br />
Novary and similar soils: 5 percent<br />
Management<br />
For management information about this map unit,<br />
see appropriate sections in Part II <strong>of</strong> this publication.<br />
461B—Soapcreek-Absher family complex,<br />
0 to 4 percent slopes<br />
Setting<br />
Elevation: 3,750 to 5,200 feet<br />
Mean annual precipitation: 10 to 14 inches<br />
Frost-free period: 95 to 125 days<br />
Major Component Description<br />
Soapcreek and similar soils<br />
Composition: 45 percent<br />
Geomorphic description: Flood plain<br />
Slope: 0 to 2 percent<br />
Elevation: 3,750 to 5,200 feet<br />
Effective annual precipitation: 10 to 14 inches<br />
Frost-free period: 95 to 125 days<br />
Surface layer texture: Clay loam<br />
Drainage class: Somewhat poorly drained<br />
Parent material: Clayey alluvium<br />
Native plant cover type: Rangeland<br />
Flooding: Rare<br />
Water table: Present<br />
Available water capacity: Mainly 9.4 inches<br />
Absher and similar soils<br />
Composition: 40 percent<br />
Geomorphic description: Stream terrace<br />
Slope: 0 to 4 percent<br />
Elevation: 3,750 to 5,200 feet<br />
Effective annual precipitation: 10 to 14 inches<br />
Frost-free period: 95 to 125 days<br />
Surface layer texture: Clay<br />
Drainage class: Somewhat poorly drained<br />
Parent material: Silty and clayey alluvium<br />
Native plant cover type: Rangeland<br />
Water table: Present<br />
Salt affected: Saline within 30 inches<br />
Sodium affected: Sodic within 30 inches<br />
Available water capacity: Mainly 3.8 inches<br />
Additional Components<br />
Fairway and similar soils: 5 percent<br />
Swampcreek and similar soils: 5 percent<br />
Yamacall and similar soils: 5 percent<br />
Management<br />
For management information about this map unit,<br />
see appropriate sections in Part II <strong>of</strong> this publication.<br />
DA—Denied access<br />
Setting<br />
Major Component Description<br />
Denied access<br />
Composition: 100 percent<br />
Management<br />
For management information about this map unit,<br />
see appropriate sections in Part II <strong>of</strong> this publication.
Change language