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Colorado - views of the Aspen Mining and Smelting Co.
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The houses, streets, and industries of Aspen, Colorado
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Don't be frightened, old Jenny is true, Aspen, Col. U.S.A.
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Aspen, Colo.
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Durant mine looking west
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Durant mine, Aspen, Colo.
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Smuggler mine
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Largest nugget of native silver ever mined, wt. 1840 lbs., Smuggler mine, Aspen, Colo.
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Smuggler mine
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Silver Mines at Aspen Colorado Midland Ry
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Smuggler Mine, Aspen, Colo.
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Leadville Mine
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Aspen Contact Mine
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Lixiviation [sic] Works "the Concentrator" (West of Aspen across Castle Creek)
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The Durant mine group
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Aspen, Colorado
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Aspen, Colo. Midland Ry.
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Aspen, Colo. Midland Ry.