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TitleDateType
1 Keith O'Brien Co., Ext. of New Store From East1923-11-23Image/StillImage
2 Mutual Metal Mines Co., Denver Rock Drill Co.1923-11-23Image/StillImage
3 Mutual Metal Mines Co., Denver Rock Drill Co.1923-11-23Image/StillImage
4 Ohio Copper Co., Int of Tunnel1923-11-23Image/StillImage
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