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] |
| Description | v. : digital, PDF files |
| Supplemental Content | scroll down to heading: Tripoli and Special Silica to access issue(s) |
| Subjects |
| Frequency | Annual |
| General note | Published: Reston, Va. : U.S. Geological Survey, -1995. |
| General note | Description based on 1994; title from PDF caption (viewed Oct. 24, 2007). |
| General note | GPO Cataloging Record Distribution Program (CRDP). |
| Other forms | Online version of the print version. |
| Technical details | Mode 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 note | Merged with: Industrial sand and gravel; and: Quartz crystal; to form: Silica (Online). |
| LCCN | 2007231232 |
| GPO item number | 0621-J (online) |
| Govt. docs number | I 19.161:T 73/ |