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    Black and white photo showing the Metall Mining Corporation mine at Winston Lake, Schreiber, Ontario.

    Plant, headframe and main office at Hemlo gold mines - now Newmont Gold Mine.

    The David Bell Mine located in Hemlo, Ontario.

    Construction completed at Hemlo Gold Mines-now Newmont Mines

    Colour photo of the construction of the mill at Hemlo Gold Mine. Photo was taken from in front of the headframe.

    Black and white copy of a colour photo showing the first use of B.Mc.Q. shovel at the GECO mine.

    B&W photo showing the GECO headframe on fire from a closer angle.

    The possible presence of copper deposits in the Manitouwadge area was first indicated in a report by James Thomson, a field geologist of the Ontario Department of Mines. In late June 1953, Roy Baker

    B&W photo of GECO headframe with the main office building in front of it. Building under construction to the left is machine shop.

    An underground photo showing an unidentified man cleaning and repairing the Dryer at GECO mine.

    B&W photo of inside the GECO mill. The first two mills are running - the third in the back is not.

    Ross Feeder in the underground crushing station on the 1250' underground level of the GECO mine.

    Black and white photo the fire in the permanent headframe at GECO Mine : fire could be seen for miles but damage was superficial.

    B&W photo of GECO underground. Unidentified man driving ore train filled with ore.

    Roy Barker (2nd from left), Bill Dawd (centre), and Jack Forster (2nd from right), whose claim eventually became GECO. Far right, Minister of Mines - Spooner, far left W.S. Hargraft.

    Colour photo showing Hoist room at GECO mine, in Manitouwadge, Ontario.

    Photo of Willroy's headframe under construction. Only the metal frame and the hopper are in place at this time.

    To avoid emitting unnecessary fumes, the mine's muckers and drills are powered by compressed air, which is piped in from a building just beyond the tunnel's portal. The mine locomotives are diesels e

    Mining of the orebody itself is called 'stoping'. There are a variety of stoping methods depending on the nature and extent of the orebody. All methods involve drilling a pattern of holes into the ro

    Underground mining operations are more complex than opencuts, particularly with respect to access, ground support, ventilation, blasting and haulage. Access from the surface to underground orebodies