1927. Utah mammals. Bull. Univ. Utah, 17 (No. 12):1-183, 32 figs., June, 1927.

Benson, Seth B.

1935. A biological reconnaissance of Navajo Mountain, Utah. Univ. California Publ. Zoöl., 40:439-455, December 31, 1935.

Burt, William H.

1931. A new pocket gopher of the genus Thomomys from Utah. Proc. Biol. Soc. Washington, 44:37-40, May 8, 1931.

Coues, E.

1875. Abstract of results of a study of the genera Geomys and Thomomys. Part III. Zoölogy, in explorations of the Colorado River of the West and its tributaries, explored in 1869, 1870, 1871 and 1872 under the direction of the Smithsonian Institution, reported by J. W. Powell, Gov't Printing Office, Washington, D. C., 1875.

1877. Monographs of North American Rodents, No. X, Geomyidae, pp. 601-629, U. S. Geol. Surv. of the territories, Gov't Printing Office, Washington, D. C., 1877.

Coues, E., and Yarrow, H. C.

1875. Report upon the collection of mammals made in portions of Nevada, Utah, California, New Mexico and Arizona during the years 1871-74. Wheeler's Rept. Expl. W of 100th Mer. vol. 5, pp. 35-129, 1875.