http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Water resources of the Delaware River basin
200 pages : illustrations, maps and portfolio (3 folded illustrations (2 color) 9 folded maps (7 color)) ; 29 cm.
v. 1. Text.--v. 2. Plates (maps, charts)
Delaware River Watershed (N.Y.-Del. and N.J.)
Professional paper (Geological Survey (U.S.)) ; 381