Bibliography of the geology and mineral resources of Oregon with digests and index to July 1, 1936.
Prepared by Ray C. Treasher, economic geologist, Oregon State planning board [and] Dr. Edwin T. Hodge, professor of economic geology, Oregon state agricultural college, consulting geologist, United States War department. With assistance of W. P. A. project 498-(3)-A. Issued by the Oregon State planning board.

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