The geological history and evolution of the horse / by Elmer S. Riggs, Assoc. Curator of Paleontology.

no.13(1932)

Early geological history of Chicago / by Henry W. Nichols, Assoc. Curator of Geology.

no.7(1925)

Bulletin of the Geological Society of America.

Index v.1-10

Report of the United States Geological Survey of the territories. F.V. Hayden, United States geologist in charge ... [Final reports or monographs. vol. I]-III, V-XIII.

3, Text