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H7118 A gang of mine Timbermen. Michigan

H7119 "Capt." John Jolly underground Supt. Champion Mining Co.

H7120 A growth of fungus on mine timbers underground. Michigan
H7121 A Diamond Drill at work. Michigan

H7122 Mine group Michigan

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H7114 Cribbing dangerous ground. Michigan

H7115 Dumping ore in a "station" Michigan

H7116 A sand "fill". Michigan

H7117 A group of miners working on the Champion Mine.

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H7110 Track gang. Laying new rails on a curve Michigan

H7111 Air drills drilling the copper laden rock for blasting Michigan

H7112 Electric Train in the Station Michigan

H7113 Building the walls for a permanent drift. Michigan

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H7106 A Station where the men get the "cage" for the surface. Michigan

H7107 Loading copper ore. Michigan

H7108 Pipe gang at work in a permanent "drift". Michigan

H7109 Air drills drilling the copper laden rock for blasting. Michigan

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H7102 Timbermen making ground safe for drillers to come to work. Michigan

H7103 Timberman at work cribbing and filling. Michigan

H7104 "Chiseller" cutting off a mass of copper. Michigan

H7105 Air drills drilling the copper laden rock for blasting. Michigan

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H7097 Electric centrifuge pump used for pending seepage water 1200 ft. upward to the surface. Michigan

H7099 Electric Train in a "drift" or underground tunnel. Michigan

H7100 Building the walls for a permanent drift. Michigan

H7101 Barring down in dangerous ground. Michigan

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H7094 Underground Electric Train. Michigan

H7095 Loading ore. Michigan

H7096 A double tunnel being started. Michigan

H7098 Ore car and chute. Michigan