The National Hydrography Dataset.

Bibliographic Details
Corporate Author:	Geological Survey (U.S.)
Format:	Government Document Book
Language:	English
Published:	[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [1999]
Series:	Fact sheet (Geological Survey (U.S.)) ; FS-99-106.
Subjects:	Hydrography > United States > Data processing. Hydrology > United States > Data processing. National Hydrography Dataset.
Online Access:	PURL accesses list of fact sheets from which a link may be made to the title desired http://mapping.usgs.gov/mac/isb/pubs/factsheets/fs10699.html

Evans: US Documents (Annex 5th floor)