USGS OF 117
Title:Petrology of Umnak and Bogoslof Islands, Alaska
Authors:Byers, F.M., Jr.
Publisher:U.S. Geological Survey
Comments:This publication was reclassified with a new publication number in 1975; see below for the updated classification number.
Ordering Info:This publication is out of print. Reproductions may be available. USGS Publications Warehouse
Byers, F.M., Jr., 1955, Petrology of Umnak and Bogoslof Islands, Alaska: U.S. Geological Survey Open File Report: Technical Data Unit classification number 117, 203 p.