 | | Report (issue) | | ASSESSMENT OF THE HELENA NATIONAL FOREST, WEST-CENTRAL MONTANA Edited by R.G. Tysdal 1 , Steve Ludington2 , and...by the U.S. Government. Denver, Colorado 2Menlo Park, California 1996 NONTECHNICAL EXECUTIVE SUMMARY...ASSESSMENT OF THE HELENA NATIONAL FOREST, WEST-CENTRAL MONTANA U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 96-683-A...in west-central Montana. It lies in the vicinity of Helena, the capitol city of Montana, and includes Federal...of five counties: Broadwater, Jefferson, Meagher, Powell, and Lewis and Clark. * Gold was discovered in |  | | Report (volume) | | Part of the Townsend Valley Broadwater and Jefferson Counties,x Montana GEOLOGICAL SURVEY BULLETIN...OF PART OF THE TOWNSEND VALLEY BROADWATER AND JEFFERSON COUNTIES, MONTANA By V. L. FREEMAN, E. T. RUPPEL...Valley, a broad intermontane basin in west-central Montana, extends from Toston to Canyon Ferry. The area...quartzite, Wolsey shale, Meagher limestone, and Park shale of Middle Cambrian age, and the Pilgrim dolomite...indicate GEOLOGY OF PART OF TOWNSEND VALLEY, MONTANA 483 epeirogenic movement, or crustal warping |  | | Journal (volume) | | Geologist C. A. Logan, District Mining Engineer C. McK. Laizure, District W. Burling Tucker, Reid...Francisco - District Sampson, Assistant Mining Engineer District Engineer Chas. V. Averill, District Mining...San Francisco Mining Engineer -•-'-- and Curator Herbert A. Franke, Junior Mining Engineer (Librarian)...San Francisco TABLE OF CONTENTS REPORTS OF DISTRICT MINING ENGINEERS Page 1 Sacramento Field Division...Angeles Field Division 1 Redding Field Division 3 Gold Deposits of the Redding and Weaverville Quadrangles |  | | Report (volume) | | ... Slates and graywackes of the Kachemak Bay district............ Distribution....................................... Mining development........................................... Placer deposits..........more important minerals of the ore deposits........ Gold..............................................................................................'... Gold lodes.............................................and prospects................ Resurrection Bay Mining Co. 's prospect................. Tozier-Lane Northern |
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