http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Open file report (Delaware Geological Survey : Online)
Description based on: Number 38; title from journal home page (viewed Apr. 11, 2003).
Issued also in a print version through no. 44; beginning with no. 45, issued in online format only.
Open file report (Delaware Geological Survey)