Contributions to Geology volume 13, number 1

Summer 1974

Middle Eocene rodents (Mammalia) from southwestern Wyoming 
Michael E. Nelson

Wyoming specimens of the trace fossil Bergaueria 
Donald W. Boyd

Infrared detection of kimberlitic diatremes in northern Colorado and southern Wyoming 
M. E. McCallum

Notes on some early Eocene anaptomorphine primates 
Thomas M. Bown

Soil development on Wisconsin moraines of the Libby Creek area, Medicine Bow Mountains, Wyoming 
Benjamin R. Sansom; Richard G. Reider

Karst of western Wyoming; an alpine karst in Tosi Creek basin, Gros Ventre Mountains 
Eberhard Werner

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