1. Stratigraphy of the uppermost Triassic and the Jurassic rocks of the Navajo country Author/Creator: Harshbarger, J. W. 1914- (John William) Publication/Creation: Washington : U.S. Govt. Print. Off, 1957 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 290-293. Access & Availability: Loading