Contributions to Geology volume 28, number 1 cover

Spring 1990

Stratigraphy and mammalian paleontology of the Ash Hollow Formation (upper Miocene) on the north shore of Lake McConaughy, Keith County, Nebraska 
Michael B. Leite

A Pliocene record of the giant marmot, Paenemarmota sawrockensis, in northern Utah 
Michael E. Nelson; David M. Miller

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$12.00