J. R. Gilbert No description specified. 1-2 (2 Records) Documents Cultural Resources Report: Notice of Intent To Conduct Geothermal Exploration Operations Under Chevron U.S.A. Inc. Plan of Operation GS-320-N12768: Cr Report No.: Cr3-685(N) (1981) U.S.G.S. Geothermal Heat-Flow Wells (1982)