Reptilian faunas of the Torrejon, Puerco, and underlying Upper Cretaceous formations of San Juan County, New Mexico - Gilmore, Charles W. (Charles Whitney), 1874-1945. (Washington, Govt. print. off., 1919)
At head of title: Department of the interior.
Plates printed on both sides.
Keywords: Reptiles, Fossil -- New Mexico -- San Juan County; Animals, Fossil -- New Mexico -- San Juan County