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Pearlette Ash in Comanche County, Kansas

By Yellowstone Volcano Observatory April 1969 (approx.)
Pearlette Ash in Comanche County, Kansas
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Detailed Description

Pearlette Ash in Comanche County, Kansas.  Kansas Geological Survey photo by Grace Muilenburg, April 1969 (https://chasm.kgs.ku.edu/ords/pubcat.phd2.View_Photo?f_id=3165).

Sources/Usage

This photo may be reproduced for non-commercial and educational purposes. When using this photo in a publication, website, or presentation, please credit Kansas Geological Survey. For information about use for commercial purposes, please contact the KGS editor.