Pleurolicine Rodents (Geomyoidea) of the John Day Formation, Oregon and their relationships to taxa from the early and middle Miocene, South Dakota

Pp. vi, 1-95; 17 full page black-and-white photo-plates, 40 text-figures (line drawings, diagrams, maps).  Original printed cream-color wrappers, lettered in black on the spine and front cover, lg 8vo.  University of California Publications in Geological Sciences, volume 102.  From the library of marine paleontologist Edward Mitchell with circular name stamp on the front wrapper.  No other ownership marks.