The Bug Creek Problem and the Cretaceous-Tertiary Transition at McGuire Creek, Montana Donald L. Lofgren UNIVERSITY OF CALIFORNIA PRESS Berkeley · Los Angeles · Oxford © 1995 The Regents of the University of California

Preferred Citation: Lofgren, Donald L. The Bug Creek Problem and the Cretaceous-Tertiary Transition at McGuire Creek, Montana. Berkeley:  University of California Press,  1995. http://ark.cdlib.org/ark:/13030/ft3m3nb1tx/