01079nam a2200289Ia 4500 193464 BIBL 20160527192130.0 940623s1994 dcuab b f000 0 eng 94027386 //r94 EVLG GB1199.5 .D84 1994 333.8/8 20 I 19.412:1125 333.8 D Duffield, Wendell A. Local 89023 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 1125. Public issues in earth sciences Local 182288 Includes bibliographical references (p. 56-57). Geothermal resources Local 102048 Sass, J. H. (John Harvey) 1937- Local 165470 Sorey, M. L. Local 172585 U.S. Geological Survey circular 1125. U.S. Geological Survey circular. Public issues in earth science. 146442 146442 0 0 0 333_800000000000000_D857T 0 evl 166762 10 10 1 2016-05-27 283975 0 333.8 D857t 80000001811143 2016-05-27 00:00:00 r:193464 z:NCC:D 6