Stratigraphy and paleontology of Paleozoic rocks, Hartville area, eastern Wyoming

Geologic and structure map of the Powder River Basin, southeastern Montana and northeastern Wyoming

Geologic and structure map of the south half of the Powder River Basin and adjacent areas, northeastern Wyoming

Geologic map showing total thickness of coal in the south half of the Powder River Basin, northeastern Wyoming

Geologic map showing total thickness of coal in the north half of the Powder River Basin, southeastern Montana and northeastern Wyoming

Geologic map and distribution of heavy minerals in Tertiary rocks of the Sheridan 30ʹ x 60ʹ quadrangle, Wyoming and Montana

Geologic map showing the thickness and structure of the Anderson-Wyodak coal bed in the south half of the Powder River Basin, northeastern Wyoming

Geologic map showing thickness of the upper Cretaceous Pierre Shale in the north half of the Powder River Basin, southeastern Montana and northeastern Wyoming

Geologic map showing thickness of the upper Cretaceous Pierre Shale in the south half of the Powder River Basin, northeastern Wyoming and adjacent areas

Geologic map and distribution of heavy minerals in Tertiary rocks of the Bill 30ʹ x 60ʹ quadrangle, Converse, Campbell, and Weston counties, Wyoming

Geologic and structure map, with contours on top of the Pierre Shale, for the north half of the Powder River Basin, southeastern Montana and northeastern Wyoming

Geologic map showing the thickness and structure of the Anderson-Wyodak coal bed in the north half of the Powder River Basin, southeastern Montana and northeastern Wyoming