Colombia

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Colombia

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Colombia

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Colombia

2 Results for Colombia

2 results directly related Exclude narrower terms

Coniaurum mines : Porcupine, On

File consists of records relating to the Coniaurum mines near Porcupine, Ontario, and the El Canada Colombia Mines Company, which employed Robert Hoffman as a consulting engineer in 1952. File includes correspondence regarding the development of t...

Towne Securities Corpn.

File consists of financial data, gold production, and stockholder lists of El Canada Colombia Mines Company, 1952; correspondence between George F. Brownell and Robert Hoffman regarding the Brownell Exploration, 1925-1926; 2 maps of Giant Yellowkn...