Chicago

Dept. of Geology and Mineral Industries, Oregon., 1919- Snavely, Norman S MacLeod, Weldon W Rau, and Or.) Geological Society of America. Cordilleran Section. Meeting (65th : 1969 : Eugene. 1969. The Ore Bin ; Vol. 31 No. 3 (march 1969). : Oregon Department of Geology and Mineral Industries.