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

General Information

  • Title: Map showing localities and inferred distributions of the Huckleberry Ridge, Mesa Falls, and Lava Creek ash beds (Pearlette family ash beds) of Pliocene and Pleistocene age in the western United States and southern Canada
  • Author(s): Izett, G.A., and Wilcox, R.E.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Miscellaneous Investigations Series Map I-1325
  • Publication Date: 1982
  • Map Scale: 1:4,000,000
  • Cross Section: None
  • North Latitude: 50° 0' 0" N (50.0000)
  • South Latitude: 27° 0' 0" N (27.0000)
  • East Longitude: 92° 0' 0" W (-92.0000)
  • West Longitude: 120° 0' 0" W (-120.0000)
  • Corrections to this entry?
* See base map disclaimer below.
Find more maps in this area with mapView

Map Preview

(Click image to enlarge)

Downloads from the NGMDB

Poor quality image? Let us know

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