TY - RPRT TI - Part 3: Volcano investigations on Umnak Island, 1946 AU - F. M. Byers AU - D.M. Hopkins AU - K. L. Wier AU - Bernard Fisher PY - 1947 DO - 10.3133/70210288 UR - https://pubs.usgs.gov/publication/70210288 ID - 70210288 ER -