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

General Information

  • Title: Sediment deposition in the Columbia and lower Cowlitz Rivers, Washington - Oregon, caused by the May 18, 1980, eruption of Mount St. Helens
  • Author(s): Haeni, F.P.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Circular 850-K
  • Larger Work: Hydrologic effects of the eruptions of Mount St., Helens, Washington, 1980
  • Publication Date: 1983
  • Map Scale: 1:41,700
  • Cross Section: None
  • 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.