The Limonite Iron Ores of Columbia County, Oregon
VOLUME 3 NUMBER 3 MAY, 1923 THE MINERAL RESOURCES OF OREGON Published by The Oregon Bureau of Mines and Geology CLATSOP -··--"- ·· -·· --·-j·I - ·· -·· [ ... -J ..,'- ' '-, -J \ • r J '\ ·-J l, l WASHINGTON ,, 'l ( Outline map showing location of Columbia County iron ore deposits REPORT ON The Limonite Iron Ores of Columbia County, Oregon Forty-four Pages Seven Illustrations STATE OF OREGON WALTllll M. PmRCE, Governor BUREAU OF MINES AND GEOLOGY HENRY M. PARKS, Director 417 OREGON BUILDING, PORTLAND, OREGO~ IRA A. WILLIAMS, Geologist I G. E. STOWELL, Mining Engineer COMMISSION W. B. DENNIS, Carlton Chairman P. L. CAMPBELL, Eugene Pres. Uuiversity of Oregon W. J. Klllla, Corvallis Pres. Oregon Agricultural College ROBT. M. BETTS, Cornucopia Mgr. Cornucopia Mines Co. 0. S. BLANCHARD, Grants Pass Mining Attorney W. C. FELLOWS, Whitney Mgr. Ben Harrison Mines Co. F. A. OLMSTED, Portland Chemical Engineer CONTENTS Page Introductory . 2 Summary of report . 3 Salient ·facts. 3 The iron ores. • . 3 Markets . 4 Fuel .............. .......... .. .. .... :. 4 Flux . 5 Location of the iron-bearing area................ ..................... 5 Topography . 5 Geology of the iron ore . 6 Occurrence of the iron ore.......... .................................. 8 Origin of the iron ore. 10 Developed ore and prospects. 13 Oswego deposit . 13 Iron crest property . 14 Oregon Charcoal Iron Company . 18 Colport Development Company. 20 Bunker Hill claims. 22 Ladysmith claims. 22 Other ore indications. 23 Economic Factors Controlling the Manufacture of Iron on the Columbia River, by Dwight E. Woodbridge..... ..... ..... .. .......... ....... 25 Sponge Iron, by A. G. S. Anderson. 30 Charcoal Production Possibilities in Oregon, by 0. F. Stafford . 32 ILLUSTRATIONS Outline map ................ .... .. .... : . ............... ... Front cover Blast fumace, Oregon Iron and Steel Co.
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