Clearing up volcanic ashes"After two weeks settling and packing by hard rains the volcanic ash measures 10 1/2 inches deep. Note three strata. K.B.O. Alaska" c. 1900 - 1930 Forms part of: Frank and Frances Carpenter collection (Library of Congress). Gift; Mrs. W. Chapin Huntington; 1951. This image cropped and digitally enhanced, 03/18/2006 © MpG Public domain digital file from image available at loc.gov:
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