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Potter, A. L. [Portland Mine] [art original].
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Denver Public Library, Central Library |
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[Portland Gold Mining Company and United Gold Mines Company, Colorado].
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Colorado School of Mines, Arthur Lakes Library |
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Beinecke Rare Book and Manuscript Library |
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Peck, Frank G. Twenty-seventh annual report : the Portland Gold Mining Company / Frank G. Peck ... [et al.].
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Colorado School of Mines, Arthur Lakes Library |
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Portland Gold Mining Company. Portland - Granite plat maps, ca. 1905.
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Beinecke Rare Book and Manuscript Library |
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Peck, Frank G. Twenty-sixth annual report : the Portland Gold Mining Company / Frank G. Peck ... [et al.].
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Colorado School of Mines, Arthur Lakes Library |
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| creatorOf |
[Collection of by-laws, stock certificates, special reports, notes, etc. to and from the Portland Gold Mining Company bound at the end of copy 2 of the annual reports from 1903-1912].
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Beinecke Rare Book and Manuscript Library |
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Portland Gold Mining Company. Board of Directors. Portland Gold Mining Company minutes of the Board of Directors, 1902-1935.
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Beinecke Rare Book and Manuscript Library |
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| creatorOf |
Portland Gold Mining Company. Portland - Granite plat maps, ca. 1905.
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Beinecke Rare Book and Manuscript Library |
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Colorado. Bureau of Mines. Report on the Portland Gold Mining Company, El Paso County : for the year 1897, vol. 2.
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Peck, Frank G. Nineteenth annual report on the Portland Gold Mining Company, Teller County : for the year 1913.
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Peck, Frank G. Twenty-fourth annual report : the Portland Gold Mining Company / Frank G. Peck ... [et al.].
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Colorado School of Mines, Arthur Lakes Library |
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Colorado. Bureau of Mines. Report on the Portland Gold Mining Company, El Paso County : for the year 1897, page 271, vol. 2.
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Colorado School of Mines, Arthur Lakes Library |
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Peck, Frank G. Twenty-eighth annual report : the Portland Gold Mining Company / Frank G. Peck ... [et al.].
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Colorado School of Mines, Arthur Lakes Library |
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Burns, James F. Report on the Portland Gold Mining Company, El Paso County : for the year 1897, page 272, vol. 2.
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Colorado School of Mines, Arthur Lakes Library |
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Peck, Frank G. Sixteenth annual report : the Portland Gold Mining Company / Frank G. Peck ... [et al.].
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Colorado School of Mines, Arthur Lakes Library |
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