Contributions to Geology volume 26, number 1

Summer 1988

A proposal for graphic presentation of orientation data from fossils 
Anthony R. Fiorillo

Planktic foraminifera and age of the Niobrara Formation in its type area 
William E. Frerichs; Charles Gaskill

Magnetic survey of the Circus Flats Dome and western flank of Bear Butte, northern Black Hills, South Dakota 
John B. Johnston; Donald F. Palmer

Geologic history and palynologic dating of Paleocene deposits, western Rock Springs Uplift, Sweetwater County, Wyoming 
Mark A. Kirschbaum; Sheldon N. Nelson

Chemical weathering in the West Glacier Lake drainage basin, Snowy Range, Wyoming; implications for future acid deposition 
Elizabeth A. Rochette; James I. Drever; Frank S. Sanders

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