A study of mammalia and geology across the cretaceous-tertiary boundary in Garfield County, Montana / by J. David Archibald. Archibald, J. David. Mammals, Fossil Montana Garfield County. Paleontology Cretaceous. Paleontology Paleocene. Geology, Stratigraphic Cretaceous. Geology, Stratigraphic Paleocene. Geology Montana Garfield County. QE881 .A8 1982 569.0978627 19 ARS Map on folded leaf in pocket. Bibliography: p. 277-286. Berkeley : University of California Press, [1982], c1981. [1982], c1981. 1982 Text xvi, 286 p. : eng University of California publications in geological sciences ; v. 122 Montana Garfield County. Montana Garfield County.