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Duffield, Wendell A.

Tapping the earth's natural heat by Wendell A. Duffield, John H. Sass, and Michael L. Sorey. - Washington U.S. G.P.O. 1994. - 63 p. ill. (some col.), col. maps 28 cm. - U.S. Geological Survey circular Public issues in earth sciences 1125. . - U.S. Geological Survey circular 1125. U.S. Geological Survey circular. Public issues in earth science. .

Includes bibliographical references (p. 56-57).

LCCN: 94027386 //r94

Subjects--Topical Terms:
Geothermal resources

LC Class. No.: GB1199.5 / .D84 1994

Dewey Class. No.: 333.8/8

Gov. Doc. Class. No.: I 19.412:1125