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
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Geologic units referred to in Geolex
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- U.S. Geological Survey
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- Phone: (303) 202-4700 or 1-888-ASK-USGS
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.