REFERENCES 
Canfield, 
1942: 
Driscoll, 
1971: 
Ellison, L 
1946: 
Hansen, R. 
1968: 
Reid, V. H 
1973: 
Reid, V. H 
1974: 
Reid, V. H 
1966: 
Turner, G. 
1969: 
Turner, G. 
1973: 
Turner, G. 
1973: 
. H. 
Sampling ranges by the line interception method: plant cover, 
composition, density, degree of forage use. Southwest For. and 
Range Exp. Res. Rep. 4, 28 p. (Tucson, Arizona). 
. S. 
Color aerial photography — a new view for range management. 
USDA For. Serv. Res. Pap. RM-67, 11 p. Rocky Mtn. For. and Range 
Exp. Stn., Ft. Collins, Co. 
The pocket gopher in relation to soil erosion and mountain range. 
Ecology 27: 101-114. 
M. and M. J. Morris 
Movement of rocks by northern pocket gophers. J. Mammal, 49: 391-399. 
Population biology of the northern pocket gopher. In: Pocket 
gophers and Colorado mountain rangeland. Colo. Agr. Exp. Stn. 
Bull. 5545: 21-41. 
Population dynamics of northern pocket gophers on rangelands in 
western Colorado. Unpublish data on file with U.S. Fish and Wildlife 
Service, Ft. Collins, Colorado. 
, R. M. Hansen, and A. L. Ward 
Counting mounds and earth plugs to census mountain pocket gophers. 
J. Wildl. Manage. 30: 327-334. 
T. 
Responses of mountain grassland vegetation to gopher control, 
reduced grazing, and herbicide* J. Range Manage. 22: 377-383. 
T. 
Effects of pocket gophers on the range. In: Pocket gophers and 
Colorado mountain rangeland. Colo. Agr. Exp. Stn. Bull. 5545: 
51-61. 
T., R. M. Hansen, V. H. Reid, H. P. Tietjen, and A. L. Ward 
Pocket gophers and Colorado mountain rangeland. Colo. Agr. 
Exp. Stn. Bull. 5545.