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  • All fields: Hydraulic mining--Colorado--Montrose County--1890-1900.
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    • Giant at work, Cottonwood Placer Co.

    • Miners use a monitor nozzle at a Cottonwood Placer Company mining operation in Montrose County, Colorado.
    • Cottonwood Placer Company--1890-1900.; Montrose County (Colo.)--1890-1900.; Hydraulic mining--Colorado--Montrose County--1890-1900.; Mining--Colorado--Montrose County--1890-1900.
    • 1897 July 16
    • Cleaning up ripple [sic] box, Cottonwood Placer Co.

    • Miners for the Cottonwood Placer Company pose in and near a riffle box (sluice) in Montrose County, Colorado. Two men have shovels.
    • Cottonwood Placer Company--People--1890-1900.; Montrose County (Colo.)--1890-1900.; Hydraulic mining--Colorado--Montrose County--1890-1900.; Miners--Colorado--Montrose County--1890-1900.; Mining--Colorado--Montrose County--1890-1900.;...
    • 1897 July 18
    • Giant at work, Cottonwood Placer Co.

    • Miners from the Cottonwood Placer Company use a monitor nozzle to hydraulically mine ore in Montrose County, Colorado. The San Miguel River is in the distance.
    • Cottonwood Placer Company--People--1890-1900.; Montrose County (Colo.)--1890-1900.; San Miguel River (Colo.)--1890-1900.; Hydraulic mining--Colorado--Montrose County--1890-1900.; Miners--Colorado--Montrose County--1890-1900.;...
    • 1897 July 21
    • Giant at work Cottonwood Placer Co.

    • View of men from the Cottonwood Placer Company with a monitor nozzle aimed at a riverbank in Montrose County, Colorado .
    • Cottonwood Placer Company--1890-1900.; Montrose County (Colo.)--1890-1900.; Hydraulic mining--Colorado--Montrose County--1890-1900.; Mining--Colorado--Montrose County--1890-1900.; Rivers--Colorado--Montrose County--1890-1900.
    • 1897 July 16
    • Carrying a hose

    • Men carry a hose and nozzle on their shoulders in probably Montrose County, Colorado.
    • Montrose County (Colo.)--1890-1900.; Hoses--Colorado--Montrose County--1890-1900.; Hydraulic mining--Colorado--Montrose County--1890-1900.; Miners--Colorado--Montrose County--1890-1900.; Mining--Colorado--Montrose County--1890-1900.
    • 1897 July 17
    • Miners with monitor nozzle

    • Miners use a monitor nozzle at a Cottonwood Placer Company operation in Montrose County, Colorado.
    • Cottonwood Placer Company--1890-1900.; Montrose County (Colo.)--1890-1900.; Hydraulic mining--Colorado--Montrose County--1890-1900.; Mining--Colorado--Montrose County--1890-1900.
    • 1897 July 16
    • Pressure box and pipeline Cottonwood Placer Co.

    • View of a pipeline, mine, and pressure box worked by the Cottonwood Placer Company miners in Montrose County, Colorado.
    • Cottonwood Placer Company--Facilities--1890-1900.; Montrose County (Colo.)--1890-1900.; Gold mining--Colorado--Montrose County--1890-1900.; Hydraulic mining--Colorado--Montrose County--1890-1900.; Mining--Colorado--Montrose County--1890-1900.;...
    • 1897 July 16
    • Washing with a hose

    • View of a placer mining operation on a river probably in Montrose County, Colorado. Men use a monitor nozzle to wash the riverbank.
    • Montrose County (Colo.)--1890-1900.; Hydraulic mining--Colorado--Montrose County--1890-1900.; Mining--Colorado--Montrose County--1890-1900.; Rivers--Colorado--Montrose County--1890-1900.
    • 1897 July 16
    • Washing with a hose

    • View of a placer mining operation on a river probably in Montrose County, Colorado. Men use a monitor nozzle to wash the riverbank.
    • Montrose County (Colo.)--1890-1900.; Hydraulic mining--Colorado--Montrose County--1890-1900.; Mining--Colorado--Montrose County--1890-1900.; Rivers--Colorado--Montrose County--1890-1900.
    • [1897 July 16]
    • Flume on Cliff 400 feet above river, Montrose Placer Mining Company

    • View of the Montrose Placer Mining Company flume, in Montrose County, Colorado, under construction. A man is by stacked lumber; the Dolores Creek is below, at the bottom of sandstone cliffs. The water was used for hydraulic gold mining.
    • Dolores Creek (Colo.)--1890-1900.; Montrose County (Colo.)--1890-1900.; Flumes--Colorado--Montrose County--1890-1900.; Hydraulic mining--Colorado--Montrose County--1890-1900.; Mining--Colorado--Montrose County--1890-1900.
    • 1890
    • Cleaning up ripple [sic] box, Cottonwood Placer Co.

    • Miners for the Cottonwood Placer Company watch a man clean a riffle box (sluice) in Montrose County, Colorado.
    • Cottonwood Placer Company--People--1890-1900.; Montrose County (Colo.)--1890-1900.; Hydraulic mining--Colorado--Montrose County--1890-1900.; Miners--Colorado--Montrose County--1890-1900.; Mining--Colorado--Montrose County--1890-1900.;...
    • 1897 July 18
    • Cleaning up ripple [sic] box, Cottonwood Placer Co.

    • Miners from the Cottonwood Placer Company watch a man clean a riffle box (sluice) with a shovel, Montrose County, Colorado.
    • Cottonwood Placer Company--People--1890-1900.; Montrose County (Colo.)--1890-1900.; Hydraulic mining--Colorado--Montrose County--1890-1900.; Miners--Colorado--Montrose County--1890-1900.; Mining--Colorado--Montrose County--1890-1900.;...
    • 1897 July 18

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