Smith, Angela Elaine2015-05-122015-05-121998https://scholarworks.montana.edu/handle/1/8486enVolcanismGeology, StratigraphicSedimentary basinsVolcanism and associated sedimentation in a retroarc foreland basin : the Upper Cretaceous Two Medicine formation of west-central MontanaThesisCopyright 1998 by Angela Elaine Smith