EPA reach file
Subtitle: a digital data base of streams and lakes
By: [Environmental Protection Agency, Monitoring and Data Support Division]
Contributors: United States. Environmental Protection Agency. Office of Water Planning and Standards. Monitoring and Data Support Division.
Edition: Microfiche ed.
Publisher: Documents Index
Published: 1981
Place of publication: McLean, Va
Language: eng
Format: Microform
Number of pages: 76
Subjects: Water-supply -- United States.; Hydrology -- United States.; Water quality management -- United States.
Other titles: Environmental Protection Agency reach file.
Description: Identifies streams and other surface water features within the 48 contiguous United States. Provides a hydrologic framework for the organization of water resource statistics and water quality analyses.
Notes: High reduction.

Includes guides and indexes.