@misc{indiciae4747d71baeed, title = {Geochemical maps showing distribution and abundance of manganese in two fractions of stream-sediment concentrates, Silver City 1 degree by 2 degrees Quadrangle, New Mexico and Arizona}, author = {Kenneth C. Watts and Jerry R. Hassemer and Carl L. Forn and David F. Siems}, year = {1986}, doi = {10.3133/mf1183j}, url = {https://pubs.usgs.gov/publication/mf1183J}, note = {Source identifier: mf1183J} }