http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Development of a digital model of ground-water flow in deeply weathered crystalline rock, Chester County, Pennsylvania
Chester County Water Resources Authority
v, 42 pages : illustrations, maps ; 26 cm.
by Laurence J. McGreevy and Ronald A. Sloto ; prepared in cooperation with the Chester County Water Resources Authority.