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
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<strong>Sweet</strong> <strong>Grass</strong> <strong>County</strong> <strong>Area</strong>, <strong>Montana</strong>—Part I 269<br />
357E—Cabba-Vershal complex,<br />
15 to 45 percent slopes<br />
Setting<br />
Elevation: 3,900 to 6,000 feet<br />
Mean annual precipitation: 15 to 19 inches<br />
Frost-free period: 85 to 115 days<br />
Major Component Description<br />
Cabba and similar soils<br />
Composition: 50 percent<br />
Geomorphic description:<br />
• Nose slope summit on hill<br />
• Nose slope backslope on hill<br />
• Side slope backslope on hill<br />
Slope: 15 to 45 percent<br />
Elevation: 3,900 to 6,000 feet<br />
Effective annual precipitation: 15 to 19 inches<br />
Frost-free period: 85 to 115 days<br />
Surface layer texture: Loam<br />
Depth to bedrock (paralithic): 10 to 20 inches<br />
Drainage class: Well drained<br />
Parent material: Loamy residuum weathered from<br />
sandstone and siltstone<br />
Native plant cover type: Rangeland<br />
Available water capacity: Mainly 2.5 inches<br />
Vershal and similar soils<br />
Composition: 40 percent<br />
Geomorphic description:<br />
• Nose slope summit on hill<br />
• Nose slope shoulder on hill<br />
Slope: 15 to 45 percent<br />
Elevation: 3,900 to 6,000 feet<br />
Effective annual precipitation: 15 to 19 inches<br />
Frost-free period: 85 to 115 days<br />
Surface layer texture: Very channery loam<br />
Depth to bedrock (lithic): 4 to 10 inches<br />
Drainage class: Well drained<br />
Parent material: Residuum weathered from<br />
sandstone<br />
Native plant cover type: Rangeland<br />
Available water capacity: Mainly 0.6 inches<br />
Additional Components<br />
Doney and similar soils: 4 percent<br />
Rock outcrop: 3 percent<br />
Macar and similar soils: 2 percent<br />
Farnuf and similar soils: 1 percent<br />
Management<br />
For management information about this map unit,<br />
see appropriate sections in Part II <strong>of</strong> this publication.<br />
358E—Tongue River-Danaher loams,<br />
15 to 35 percent slopes<br />
Setting<br />
Elevation: 5,500 to 7,500 feet<br />
Mean annual precipitation: 20 to 25 inches<br />
Frost-free period: 50 to 70 days<br />
Major Component Description<br />
Tongue River and similar soils<br />
Composition: 50 percent<br />
Geomorphic description:<br />
• Mountainflank backslope on mountain<br />
• Mountainflank footslope on mountain<br />
Slope: 15 to 35 percent<br />
Elevation: 5,500 to 7,500 feet<br />
Effective annual precipitation: 20 to 25 inches<br />
Frost-free period: 50 to 70 days<br />
Surface layer texture: Loam<br />
Depth to bedrock (paralithic): 20 to 40 inches<br />
Drainage class: Well drained<br />
Parent material: Loamy residuum weathered from<br />
sandstone and siltstone<br />
Native plant cover type: Forestland<br />
Available water capacity: Mainly 5.8 inches<br />
Danaher and similar soils<br />
Composition: 40 percent<br />
Geomorphic description:<br />
• Mountainbase footslope on mountain<br />
• Mountainbase toeslope on mountain<br />
Slope: 15 to 35 percent<br />
Elevation: 5,500 to 7,500 feet<br />
Effective annual precipitation: 20 to 25 inches<br />
Frost-free period: 50 to 70 days<br />
Surface layer texture: Loam<br />
Drainage class: Well drained<br />
Parent material: Silty and clayey colluvium or alluvium<br />
Native plant cover type: Forestland<br />
Available water capacity: Mainly 9.3 inches<br />
Additional Components<br />
Cheadle and similar soils: 5 percent<br />
Knep and similar soils: 5 percent
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