The Geology and Mineral Resources of the John Day Region by Collier
G. E. GooJsreed, Jr. VOLUMB I NUMBBR a MARCH, 1914 THH MINERAL RESOURCES OF OREGON PaLllaLed MontLly By TLe Oreeon Bureau of Mines and Geology Small's Ranch and Field's Mountain on John DMy River. CONTENTS. The Geology and Mineral Resources of the John Day Region by Arthur J . Collier Entered as aeoond c!IU's matter at Corvallis, Ore. on Feb. 10, 1914, oooording to the Act of Aug. 24, 1912. OREGON BUREAU OF MINES AND GEOLOGY COMMISSION OntCE 0., THE C OM.MIS8ION 526 YEON BIDLDIN G, PORTLAND, OREGON 01'1'1Cil o' TlUl Dm"ltCI'oa CORVALLIS, OREGON Oew.&.LD W~ , Governor STAFF HENBT M. PAllKII, Director COMMISSION A RTHUR M . SwARTLEY, Minin& Eng'r H . N. L.o.WlliE, Portland IRA A . WILLIAIIB, Cera mist W. C. FBLLOWB, Whitney StDNJtT W. FWONcH, Metallurgist 1. F . R.,DDT, Medford C. T . PBA.LL,Ontario FI.:LD PARTY CHIKI"a T . -8. MA.NN, Portland P . L . C.un>BIILL, Eugene A. N . WINCHBLL W. 1. KlllllB, Corvallis U. 8. GRANT A 1. CoLLISR R oLON SHEDD G:monom D . Louo:mBBA.CI. VOLUME I NUMBER 3 MARCH, 1914 THE MINERAL RESOURCES OF OREGON A Periodical Devoted to the Development of all her Minerals PUBLISHED MoNTHLY AT CoRvALLis BY THE OREGON BUREAU OF MINES AND GEOLOGY H. M. PARXS, Director *THE GEOLOGY AND MINERAL RESOURCES OF THE JOHN DAY REGION. By Arthur J. Collier. The John Day river basin in the north central part of Oregon has been for many years a favorite place for geologic exploration, on account of the occurrence there of vertebrate fossils.
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