A reconnaissance geochemical survey of the Allegheny Front and Hickory Creek roadless areas, Allegheny National Forest, Warren County, Pennsylvania /

by Hickling, N. L.
Published 1983

A reconnaissance geochemical survey of the Clarion River Roadless Area, Allegheny National Forest, Elk County, Pennsylvania /

by Hickling, N. L.
Published 1983

Geology of the Upper Cretaceous and Tertiary coal-bearing rocks in the western part of the Wind River Basin, Wyoming /

by Hickling, N. L.
Published 1989

A petrologic study of the Fox Hills Sandstone, Rock Springs Uplift, Wyoming /

by Hickling, N. L.
Published 1991

A petrologic study of the Fox Hills Sandstone, Rock Springs Uplift, Wyoming /

by Hickling, N. L.
Published 1991

Geology of the Upper Cretaceous and Tertiary coal-bearing rocks in the western part of the Wind River Basin, Wyoming /

by Hickling, N. L., Warlow, Ralph C., Windolph, John F.
Published 1987

Descriptions of four measured outcrop sections of Upper Devonian and Lower Mississippian strata in Warren and Elk Counties, Pennsylvania /

by Schweinfurth, Stanley P.
Published 1982

Geologic map of the Eagle Point quadrangle and parts of the Bargee and Lookout Butte quadrangles, Fremont County, Wyoming /

Published 1988

Geologic map of the Crowheart NE quadrangle, Fremont County, Wyoming /

Published 1987