File:AshContours.png

Summary

DescriptionAshContours.png	English: Contour lines, cm scale, showing accumulation of ash from 3 episodes of Plinian pumice falls over 60 hours during the 1912 Novarupta eruption
Date	20 January 2001
Source	The Novarupta-Katmai eruption of 1912—largest eruption of the twentieth century; centennial perspectives: U.S. Geological Survey Professional Paper 1791
Author	Hildreth, W., and Fierstein, J.

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Horizontal resolution	56.69 dpc
Vertical resolution	56.69 dpc