@misc{indiciaef4d6df50513f, title = {Comments on biogeochemical prospecting at the Shawangunk Mine; discussion}, author = {Jules D. Friedman}, year = {1955}, doi = {10.2113/gsecongeo.50.6.650}, url = {https://pubs.usgs.gov/publication/70216042}, note = {Source identifier: 70216042} }