http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Ground-water-quality assessment of the Delmarva Peninsula, Delaware, Maryland, and Virginia
analysis of available water-quality data through 1987
Ground water quality assessment of the Delmarva Peninsula, Delaware, Maryland, and Virginia
1 microfiche : negative, illustrations, maps.
by P.A. Hamilton, R.J. Shedlock, and P.J. Phillips.
Includes bibliographical references (pages 67-69).
U.S. Geological Survey open-file report ; 89-34