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Placer Mining

Item Type: PhotographDate: 1902 Description: Young girl sits in foreground while men work in rock-strewn gully with streams of water behind. "Placer Mining Rout Co 1902" written on front of print. Photo identified on back as "Hahns Peak, ... Image Number: 023-1881

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The City of Denver, and Mountain Scenes in Colorado

Item Type: PhotographDate: 1887-04 Description: Full page spread of five images. Illustration appeared in "Harper's Weekly" on April 23, 1887 on pages 296-297. Image Number: 257-7902

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Hydraulic Mining

Item Type: PhotographDate: 1887-04 Description: One of five images in a full page spread. Illustration appeared in "Harper's Weekly" on April 23, 1887 on pages 296-297. Image Number: 257-7897

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[Placer Mine]

Item Type: PhotographDate: ca. 1885 Description: Men stand at a wooden building built on the bank of the Arkansas River. The building appears to house a steam engine powering equipment outside the structure that is pumping water up a pipe to a ... Image Number: 001-5663

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Placer Mining, Alma, Colorado

Item Type: PhotographDate: ca. 1934 Description: Wide view of eroded cliffs with huge piles of rocks below caused by the hydraulics used in placer mining. An arch of water under high pressure coming from a hydraulic nozzle can be seen near the ... Image Number: 025-1838

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Looking toward Alma, Colorado

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[Van Epps Placer]

Item Type: PhotographDate: ca. 1926 Description: Adjacent to a rocky ravine carved out by placer mining, a man is standing next to the nozzle of large-diameter hydraulic pipeline coming from the right used to spray water under high pressure to ... Image Number: 025-4073

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[Placer Mining]

Item Type: PhotographDate: ca. 1920 Description: Rocky deep ravine with water pumping into pit in midground and mountains behind. The remnants of years of hydraulic mining can be seen in the stripping of the soil and minerals from around the re... Image Number: 025-1851

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Placer Mining

The City of Denver, and Mountain Scenes in Colorado

Hydraulic Mining

[Placer Mine]

Placer Mining, Alma, Colorado

Looking toward Alma, Colorado

[Van Epps Placer]

[Placer Mining]