@misc{indiciae256a27978517, title = {Analyses of stream-sediment, stream-sediment-concentrate, and rock samples, Virgin Mountains Instant Study Area, Clark County, Nevada}, author = {Robert R. Carlson and E.F. Cooley}, year = {1981}, doi = {10.3133/ofr81191}, url = {https://pubs.usgs.gov/publication/ofr81191}, note = {Source identifier: ofr81191} }