A study of mammalia and geology across the cretaceous-tertiary boundary in Garfield County, Montana - Archibald, J. David (Berkeley : University of California Press, 1982)
Map on folded leaf in pocket.
Bibliography: p. 277-286.
Keywords: Mammals, Fossil -- Montana -- Garfield County; Paleontology -- Cretaceous; Paleontology -- Paleocene; Geology, Stratigraphic -- Cretaceous; Geology, Stratigraphic -- Paleocene; Geology -- Montana -- Garfield County