Permian volcanism in western North America.
APA Citation
Wheeler, H. Eugene., Nevada State Bureau of Mines., University of Nevada. Mackay school of mines. (1939). Permian volcanism in western North America. [San Francisco?.
MLA Citation
Wheeler, Harry Eugene, 1907-, Nevada State Bureau of Mines, and University of Nevada. Mackay school of mines. Permian Volcanism In Western North America. [San Francisco?, 1939.
Warning: These citations may not always be complete (especially for serials).