TY - RPRT TI - Geochemical maps showing distribution and abundance of tungsten in two fractions of stream-sediment concentrates, Silver City 1° x 2° quadrangle, New Mexico and Arizona AU - K. C. Watts AU - J.R. Hassemer AU - C.L. Forn AU - D. F. Siems PY - 1986 DO - 10.3133/mf1183g UR - https://pubs.usgs.gov/publication/mf1183G ID - mf1183G ER -