Thickness of upper Cretaceous Lewis Shale, Powder River Basin, Wyoming and Montana /

Published 1987

Thickness of Teckla sandstone member of the upper Cretaceous Lewis shale, Powder River Basin, Wyoming and Montana /

Published 1987

Thickness of upper Cretaceous Mesaverde Formation, Powder River Basin, Wyoming and Montana /

Published 1987

Thickness of Parkman sandstone member of the upper Cretaceous Mesaverde Formation and the Redbird Silty member of the Pierre shale, Powder River Basin, Wyoming and Montana /

Published 1987

Thickness of upper Cretaceous rocks from the base of the Ardmore bentonite to the base of the Clay Spur bentonite (top of the lower Cretaceous rocks), Powder River Basin, Wyoming a...

Published 1987

Thickness of Sussex sandstone member of the upper Cretaceous Steele shale, Powder River Basin, Wyoming and Montana /

Published 1987

Thickness of Shannon sandstone member of the upper Cretaceous Steele shale, Powder River Basin, Wyoming and Montana /

Published 1987

Thickness of Teapot sandstone member of the upper Cretaceous Mesaverde Formation, Powder River Basin, Wyoming and Montana /

Published 1987

Thickness of the upper Cretaceous Niobrara Formation, Powder River Basin, Wyoming and Montana /

Published 1987

Thickness of upper Cretaceous rocks from the base of the Niobrara Formation to the base of the clay spur bentonite (top of lower Cretaceous rocks), Powder River Basin, Wyoming and...

Published 1987

Thickness of upper Cretaceous rocks from the base of the Niobrara Formation to the top of the Frontier Formation, including the Carlile shale, Greenhorn Formation, and Sage Breaks...

Published 1987

Thickness of upper Cretaceous Greenhorn Formation, Powder River Basin, Wyoming and Montana /

Published 1987

Structure at the top of the Permian Minnelusa Formation, Powder River Basin, Wyoming and Montana /

Published 1987

Thickness of lower Cretaceous Mowry shale, Powder River shale, Powder River Basin, Wyoming and Montana /

Published 1987

Thickness of lower Cretaceous rocks, Powder River Basin, Wyoming and Montana /

Published 1987

Thickness of upper Cretaceous rocks from the base of the Fox Hills sandstone to the top of the lower Cretaceous rocks, Powder River Basin, Wyoming and Montana /

Published 1987

Thickness of lower Cretaceous Inyan Kara Group, Powder River Basin, Wyoming and Montana /

Published 1987

Thickness of Jurassic rocks, Powder River Basin, Wyoming and Montana /

Published 1987

Thickness of Triassic rocks, Powder River Basin, Wyoming and Montana /

Published 1987

Thickness of rocks from the surface to the top of the Permian Minnelusa formation, Powder River basin, Wyoming and Montana /

Published 1987