Subject: Volcanic ash, tuff, etc / Spatial Coverage: United States / Year: 1982 - Yale University Library GeoBlacklight Search Results

Start Over Subject Volcanic ash, tuff, etc Spatial Coverage United States Year 1982

1. 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 [cartographic material]

1982. 2016-01-11T16:10:20Z. 2016-07-14T21:07:57Z. Izett, Glen Arthur, 1928-. U.S. Geological Survey. English. cartographic image. Public. United States, Saskatchewan, U.S., Canada, Saskatchewan., and United States.

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1. 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 [cartographic material]

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