TY - RPRT TI - Mineralogical maps showing the distribution of selected minerals identified in nonmagnetic heavy-mineral concentrates from the Mount Katmai and parts of the Afognak and Naknek quadrangles, Alaska AU - S. E. Church AU - G. J. Bennett PY - 1990 DO - 10.3133/mf2021d UR - https://pubs.usgs.gov/publication/mf2021D ID - mf2021D ER -