Contributions to the pleistocene history of Oregon McCornack, Ellen Condon Mrs creator text oru Eugene, Ore 1920 monographic eng
print
22 p. incl. 2 maps. tab. 26 cm. by Ellen Condon McCornack. Cover-title. Geology, Stratigraphic Pleistocene Paleontology Pleistocene Geology Oregon Paleontology Oregon QE690 .M3 Oregon. University leaflet series. Geology bulletin, v. 6: no. 3, pt. 2. Oct., 1920 gs 21000067 Library, U.S. Geological Survey 870529 20260227111325.0 gs 21000067