Rivers and streams.
Contributors: U.S. Fish and Wildlife Service.
Series: Habitat pac
Publisher: Office of Extension Education, U.S. Fish and Wildlife Service
Published: 1982
Place of publication: Washington, D.C
Language: eng
Subjects: Stream ecology -- United States -- Study and teaching; Stream conservation -- United States -- Study and teaching; Water-supply -- United States -- Study and teaching; Environmental education -- United States
Notes: Cover title.

"This package is a trial version of the Fish and Wildlife Service's new environmental education materials"--P. [4] of cover.