Harnessing hydropower
Subtitle: the earth's natural resource
Publisher: Western Area Power Administration, U.S. Dept. of Energy
Published: 2011
Place of publication: Lakewood, CO
Language: eng
Format: [electronic resource] :
Number of pages: 16
Subjects: Hydroelectric power plants; Power resources
Notes: Title from title screen (viewed on Oct. 5, 2011).

"4/2011."