TY - RPRT TI - Maps showing distribution of selected minerals in the nonmagnetic heavy-mineral fraction of stream-sediment samples, Medfra Quadrangle, Alaska AU - R. B. Tripp AU - H. D. King PY - 1993 DO - 10.3133/mf2207 UR - https://pubs.usgs.gov/publication/mf2207 ID - mf2207 ER -