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Orr, Tamra.

Hydroelectric energy / Tamra Orr. - Ann Arbor : Cherry Lake Pub., c2008. - 32 p. : col. ill. ; 25 cm. - Power up! .

Includes bibliographical references (p. 31) and index.

9781602790490 1602790493

2007006234


Hydroelectric power plants.

TK1081 / .O765 2008

621.31/2134