Description
Published:Ceased with issue for 1995.
Item Description:Published: Reston, Va. : U.S. Geological Survey, -1995.
Description based on 1994; title from PDF caption (viewed Oct. 24, 2007).
Electronic resource.
Physical Description:volumes : digital, PDF files.
Online version of the print version.
Publication Frequency:Annual
Format: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.
Related Items:Merged with: Industrial sand and gravel; and: Quartz crystal; to form: Silica (Online).