Price, Raymond A.; Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.); United States. Forest Service(Fort Collins, Colo. : Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1976-08)
Alexander, Robert R.; Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)(Fort Collins, Colo. : Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1974-04)
