McKenna, Malcolm C.; Love, J. D. (John David), 1913-; Darton, Nelson Horatio, 1865-1948.
(New York, N.Y. : American Museum of Natural History, 1972)
"Fossil mammals of early Miocene age have been found in strata composing Darton's Bluff on the crest of the Bighorn Mountains in the Hazelton Peak Quadrangle, Johnson County, Wyoming. Dating the host strata provides a ...