TY - RPRT TI - Distribution and abundance of fluorite in stream-sediment concentrates, Silver City 1 degree by 2 degrees Quadrangle, Arizona and New Mexico AU - K. C. Watts AU - J.R. Hassemer PY - 1980 DO - 10.3133/mf1183c UR - https://pubs.usgs.gov/publication/mf1183C ID - mf1183C ER -