00924cam a22002891 4500 gs 09000052 DLC 20260227111308.0 720329s1909 dcuabf b f000 0 eng gs 09000052 (OCoLC)272470 DLC ODaWU DLC n------ QE75 .B9 no. 361 QE736 .O8 Osborn, Henry Fairfield, 1857-1935. Cenozoic mammal horizons of western North America. Washington, Govt. Print. Off., 1909. 138 p. Geological Survey (U.S.) Bulletin 361 "Bibliography of western Cenozoic horizons and their correlation": p. 9-18. Bibliographical footnotes. Mammals, Fossil North America. Paleontology Cenozoic. Paleontology Tertiary. Matthew, William Diller, 1871-1930. 24808 24808