U.S. G.P.O. ; For sale by USGS Map Distribution,
Johnson, Edward A. (Edward Allison), 1940-
Johnson, Edward A. (Edward Allison), 1940-
Geological Survey (U.S.)
Evolution of sedimentary basins--Powder River Basin ; ch. P
U. S. Geological Survey bulletin ; 1917-P
Depositional history of Triassic rocks in the area of the Powder River Basin, northeastern Wyoming, and southeastern Montana
Depositional history of Triassic rocks in the area of the Powder River Basin, northeastern Wyoming, and southeastern Montana
Depositional history of Triassic rocks in the area of the Powder River Basin, northeastern Wyoming, and southeastern Montana
Johnson, Edward A. (Edward Allison), 1940-