Witkind, Irving J. Geology of the Tepee creek Quadrangle Montana-Wyoming / by Irving J. Witkind. -- Washington : United States Government Printing Office, 1969 - 101 p. -- (Geological Survey Professional Paper ; 609). Subjects--Topical Terms: EstratigrafíaMontanaWyoming Universal Decimal Class. No.: 551.7(786/787)