The frost-free period is about 50 to 75 days. These are the Chittum and Miracle soils. Chittum has bedrock above 20 inches and Miracle has bedrock above 40 inches. These soils are used for livestock grazing and wildlife habitat. Native vegetation consists of Letterman needlegrass, slender wheatgrass, mountain brome, and mountain big sagebrush.
Some areas are aspen woodland.
Coldspring soils occur in northwestern Colorado. The series is of small extent. Total area is about 4,200 acres. There is a lithic contact at 47 inches.