Hague, Arnold, J.P. Iddings, W.H. Weed, C.D.Walcott, G. H. Girty, T.W. Stanton, and F. H. Knowlton.
Geology of the Yellowstone National Park. Part II. Descriptive Geology Petrography, and Paleontology. Department of the Interior. Monographs of the United States Geological Survey. Volume XXXI. Part IIWashington DC: Government Printing Office, 1899. xvii, 893p, 121 plates [fold outs, double page, several in color], index, [10p catalog]. 30cm. Brown cloth with titling in gilt on the spine. Text block almost cracked after the first signature, held together by binding cords; covers slightly rubbed; evidence of damp stain along bottom edge; plates and pages adhered along bottom and fore edge, with few corners lost when separated; slight stain on front cover. In better than good condition.