http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
uses of a water resource today and tomorrow
1 online resource (v, 90 pages) : illustrations, maps.
Additional title page description: An analysis of the major demands on the Gunpowder Falls basin: living space, water supply and recreation.
Includes bibliographical references (pages 88-90).
Gunpowder Falls, Maryland: uses of a water resource today and tomorrow
Geological Survey water-supply paper ; 1815