Pumice Deposits of the
Klamath Indian Reservation, Klamath County, Oregon
By George W. Walker
Geological Survey Circular 128, August 1951
United States Department of the Interior
Oscar L. Chapman, Secretary, Geological Survey
W. E. Wrather, Director, Washington, D. C.
CONTENTS
Abstract
Introduction
General geology
Distribution of the
pumice
Reserves
Chemical composition
Physical properties
Uses and standard
requirements
Suitability for common
uses
Pumice production in
Oregon
Economic value
References cited
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