TY - RPRT TI - Maps showing distribution of tungsten in heavy-mineral concentrates, Richfield 1° x 2° quadrangle, Utah AU - William R. Miller AU - Jerry M. Motooka AU - John B. McHugh PY - 1985 DO - 10.3133/mf1246j UR - https://pubs.usgs.gov/publication/mf1246J ID - mf1246J ER -