Tripoli and special silica stone.

Bibliographic Details
New Title:	Industrial sand and gravel Quartz crystal Silica (Online)
Corporate Authors:	United States. Bureau of the Mines, Geological Survey (U.S.)
Format:	Government Document Serial
Language:	English
Published:	[Washington, D.C.] : [U.S. Dept. of the Interior, Bureau of Mines]
Subjects:	Tripoli (Mineral) > United States > Statistics > Periodicals. Silica > United States > Statistics > Periodicals. Silicate industry > United States > Statistics > Periodicals.
Online Access:	scroll down to heading: Tripoli and Special Silica to access issue(s)

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