Frequency | Annual |
General note | Published: Reston, Va. : U.S. Geological Survey, -1995. |
General note | Description based on 1994; title from caption (viewed Oct. 24, 2007). |
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: Quartz crystal; and: Tripoli and special silica stone; to form: Silica (Online). |
LCCN | 2007231230 |
GPO item number | 0639-F-01 (online) |
Govt. docs number |
I 28.37/A:SA 56/ |