Geographic Variation in the Pocket Gopher, Thomomys bottae, in Colorado
Youngman, Phillip M., 1927-· 2 chapters· 6,440 words
Two species of pocket gophers of the genus _Thomomys_ (Family Geomyidae) occur in Colorado, _Thomomys bottae_ (see fig. 1) in the low valleys in the south-central and southwestern parts of the state and _Thomomys talpoides_ mainly in the mountains and high valleys.