Tripoli and special silica stone.

Other author United States. Bureau of Mines.
Other author Geological Survey (U.S.)
Format Electronic
Publication Info[Washington, D.C. : U.S. Dept. of the Interior, Bureau of Mines]
Descriptionv. : digital, PDF files
Supplemental Contentscroll down to heading: Tripoli and Special Silica to access issue(s)
Subjects

FrequencyAnnual
General notePublished: Reston, Va. : U.S. Geological Survey, -1995.
General noteDescription based on 1994; title from PDF caption (viewed Oct. 24, 2007).
General noteGPO Cataloging Record Distribution Program (CRDP).
Other formsOnline version of the print version.
Technical detailsMode of access: Internet at the USGS web site. Address as of 10/24/07: http://minerals.usgs.gov/minerals/pubs/commodity/silica/index.html#myb; current access is available via PURL.
Title history noteMerged with: Industrial sand and gravel; and: Quartz crystal; to form: Silica (Online).
LCCN2007231232
GPO item number0621-J (online)
Govt. docs number I 19.161:T 73/