River of life
Subtitle: United States Department of the Interior environmental report.
Contributors: United States. Dept. of the Interior
Series: Conservation yearbook series -- v. no. 6; Conservation yearbook series -- no.6.
Publisher: Dept. of the Interior
Published: 1970
Place of publication: [Washington]
Language: eng
Number of pages: 96
Subjects: Water -- United States.
Other titles: Water : the environmental challenge.
Notes: On cover: Water: the environmental challenge.