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A.C.R. File A.W. File Agnew Lake Airborne magnetic Algoma Central Railway Algoma Steel assays assessment Canadian chalcopyrite conglomerate Copper Denison Mines Department of Mines deposits Dept diamond drilling District of Sudbury Drill logs electro-magnetic surveys Elliot Lake feet formation Geol geological map Geological report Geophysics Paper Gold Mines Ltd granite Ground MAG holes Hollinger Hurdman Huronian International Nickel Keevil Kenora key map Kirkland Lake Lake area Lake Mines Lake Superior Langmuir located magnetic and electro-magnetic Manitouwadge Mespi miles Mines Limited Mining Company Mining Division molybdenite Noranda Mines occur ODM Map Ontario Department percent Pigeon River Port Arthur prelim production prospecting pyrite pyrrhotite Quarry permit quartz quartzite Range Range Range Rept Resident Geologist Sault Scale 1 inch Silver Southern Ontario sphalerite staked sulphides Timmins Timmins Area tons Township Township Township trenching uranium zone