Slopes range from 0 to 25 percent but are mostly less than 7 percent. The soils formed in alluvium which usually is wind modified, is dominantly from granitic or similar acid igneous rock sources, and contains some mafic material. The mean annual temperature is 45 degrees to 51 degrees F. Average freeze-free period is 125 to 170 days and mean annual precipitation is 7 to 12 inches including 0.5 to 2 feet of snowfall. These are the competing Quincy and Turbyfill soils. Principally irrigated cropland.
Crops are small grains, corn, sugar beets, potatoes, hay, and pasture.
Vegetation of uncultivated areas is big sagebrush, cheatgrass, Indian ricegrass, needleandthread grass, Russian thistle, wild mustard, Sandberg bluegrass, and forbs. The soils are moderately extensive. Canyon County, Idaho, 1973.