http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Description based on: Mar. 11, 1994; title from title screen (viewed on May 15, 2003).
Mode of access: Internet at the HVO web site. Address as of 5/15/03: http://hvo.wr.usgs.gov/volcanowatch/;current access available via PURL.