1. Depositional history of Jurassic rocks in the area of the Powder River Basin, northeastern Wyoming and southeastern Montana Author/Creator: Johnson, Edward A. 1940- (Edward Allison) Publication/Creation: [Washington, D.C.] : U.S. G.P.O. ; Denver, CO : For sale by Book and Open-File Report Sales, U.S. Geological Survey, 1992 Resource Type: Book Access & Availability: Loading
2. Depositional history of Jurassic rocks in the area of the Powder River Basin, northeastern Wyoming and southeastern Montana Author/Creator: Johnson, Edward A. 1940- (Edward Allison) Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 1992 Resource Type: Book Access & Availability: Loading