Pumice and pumicite
Contributors: United States. Bureau of Mines
Publisher: Bureau of Mines, U.S. Dept. of the Interior
Published: 1985
Place of publication: [Washington, D.C.?]
Language: eng
Subjects: Pumice; Pumice industry -- United States
Notes: At head of title: Preprint from Bulletin 675

"A chapter from Mineral facts and problems."

Bibliography: p. 6