http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Hydrology of area 7, Eastern Coal Province, Ohio
v, 60 pages : illustrations (some color), maps (some color) ; 28 cm.
by Morris J. Engelke, Jr., Donald K. Roth and others.
Open-file report (Geological Survey (U.S.)) ; 81-815