Geology and Mineral Resources of the Hardin and Brussels Quadrangles in Illinois

The Force Required to Move Particles on a Stream Bed

Lithologic Studies of Fine-grained Upper Cretaceous Sedimentary Rocks of the Black Hills Region: Issue 165

Stratigraphic Divisions and Geologic History of the Laney Member of the Green River Formation in the Washakie Basin in Southwestern Wyoming: 1972-1973