TY - RPRT TI - Proceedings of the Symposium on Mineral Deposits of the Pacific Northwest: Geological Society of America, Cordilleran Section meeting at Corvallis, Oregon, March 20-21, 1980 AU - Miles L. Silberman AU - C. W. Field AU - Anne L. Berry PY - 1981 DO - 10.3133/ofr81355 UR - https://pubs.usgs.gov/publication/ofr81355 ID - ofr81355 ER -