Nonpoint source control guidance, hydrologic modifications
By: project officer, Norman A. Whalen.
Contributors: United States. Environmental Protection Agency. Nonpoint Sources Branch.
Publisher: U.S. Environmental Protection Agency, Water Planning Division, Nonpoint Sources Branch
Published: 1977
Place of publication: Washington, D.C
Language: eng
Subjects: Water quality management -- United States.; Water -- Pollution -- United States.; Stream channelization -- Environmental aspects -- United States.; Runoff -- Environmental aspects -- United States.; Water resources development -- Environmental aspects -- United States.
Notes: "February 1977."

Includes bibliographical references.