@misc{indiciae89aa41a499d0, title = {Map showing anomalous silver distribution in stream sediment concentrates, Hillsboro and San Lorenzo quadrangles, exclusive of the Black Range Primitive Area, Sierra and Grant Counties, New Mexico}, author = {H. V. Alminas and K. C. Watts and D. F. Siems and V. E. Kraxberger}, year = {1978}, doi = {10.3133/mf900c}, url = {https://pubs.usgs.gov/publication/mf900C}, note = {Source identifier: mf900C} }