Studies of the Mowry :
Cobban; A. William.
Studies of the Mowry : Studies of the Mowry Shale (Cretaceous) and Contemporary Formations in the United States, and Canada. - Washington : United States Government Printing Office, 1960.
Studies of the Mowry : Studies of the Mowry Shale (Cretaceous) and Contemporary Formations in the United States, and Canada. - Washington : United States Government Printing Office, 1960.