Perlite, source of synthetic pumice

Author: Ralston, Oliver C.
Year: 1946
Document Type: USBI
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.27:7364
Series: Information circular / United States Department of the Interior, Bureau of Mines ;
Report Number: 7364
Subject: Perlite
Link: https://hdl.handle.net/2027/mdp.39015074127823

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