U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database

General Information

  • Title: Geology of Unalaska Island and adjacent insular shelf, Aleutian Islands, Alaska
  • Author(s): Drewes, Harald, Fraser, G.D., Snyder, G.L., and Barnett, H.F.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Bulletin 1028-S
  • Larger Work: Investigations of Alaskan volcanoes
  • Publication Date: 1961
  • Map Scale: 1:250,000
  • Cross Section: Yes
  • Find more maps in this area with mapView
  • Corrections to this entry?
* See base map disclaimer below

Map Preview

(Click image to enlarge)

Downloads from the NGMDB

Poor quality image? Let us know

Additional Resources

* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.