@misc{indiciae1abc411e0cf6, title = {Occurrence of platinum group metals in ultramafic rocks of the Medford-Coos Bay 2 degrees quadrangles, southwestern Oregon}, author = {N.J. Page and M. G. Johnson and Joseph Haffty and Len Ramp}, year = {1975}, doi = {10.3133/mf694}, url = {https://pubs.usgs.gov/publication/mf694}, note = {Source identifier: mf694} }