TY - RPRT TI - Maps showing mineralogic data for selected minerals in nonmagnetic heavy-mineral concentrates of stream sediments in the Chignik and Sutwik Island quadrangles, Alaska AU - R. B. Tripp AU - D.E. Detra PY - 1980 DO - 10.3133/mf1053i UR - https://pubs.usgs.gov/publication/mf1053I ID - mf1053I ER -