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  • All fields: Extraction
(132 results)



Display: 50

    • Nancy Gold Mining and Tunnel Company Mill

    • View of Nancy Gold Mining and Tunnel Company gold extraction mill ruins in Boulder County, Colorado; mine facility has stone walls and arched furnace openings.
    • Boulder County (Colo.)--1940-1950.; Nancy Mine (Colo.)--1940-1950.; Wallstreet (Colo.)--1940-1950.; Mills--Colorado--Boulder County--1940-1950.; Mining--Colorado--Boulder County--1940-1950.; Ruins--Colorado--Boulder County--1940-1950.
    • 1940
    • Eclipse, Colorado

    • View looks down on "The Economic Gold Extraction Company," in Eclipse (later known as Elkton), Teller County, Colorado.
    • Economic Gold Extraction Company (Colo.)--1880-1900.; Eclipse (Colo.)--1880-1900.; Cities & towns--Colorado--Eclipse--1880-1900.; Mining--Colorado--Eclipse--1880-1900.
    • [between 1880 and 1900?]
    • Wall Street [sic], Colo.

    • The stone and brick Wallstreet Assay Office has a steep pitched, corrugated metal roof a tall chimney, a fenced yard and a nearby wooden shed in Wallstreet (Boulder County), Colorado. The stone ruins of the Wallstreet Gold Extraction Company Mill...
    • Wallstreet (Colo.)--1940-1950.; Abandoned buildings--Colorado--Wallstreet--1940-1950.; Metallurgical industry--Colorado--Wallstreet--1940-1950.; Mining--Colorado--Wallstreet--1940-1950.; Stone buildings--Colorado--Wallstreet--1940-1950.
    • [between 1940 and 1950?]
    • The Solid Muldoon

    • Image of the masthead and advertisements in "The Solid Muldoon" newspaper, of Ouray, Ouray County, Colorado for Friday, April 12, 1889. Four large advertisements: "Windsor Restaurant, Graham Bros., Prop'rs, A Short-Order House! Where Everything the...
    • Solid Muldoon (Ouray, Colo.)--1880-1890.; Ouray (Colo.)--1880-1890.; Newspapers--Colorado--Ouray--1880-1890.
    • 1889 April 12
    • Wall Street [sic], Colo.

    • Stone and frame buildings are beside a dirt road in Wallstreet (Boulder County), Colorado. Shows the stone and brick Wallstreet Assay Office with a steep pitched, corrugated metal roof a tall chimney, a fenced yard and a nearby wooden shed. The...
    • Wallstreet (Colo.)--1940-1950.; Abandoned buildings--Colorado--Wallstreet--1940-1950.; Metallurgical industry--Colorado--Wallstreet--1940-1950.; Mining--Colorado--Wallstreet--1940-1950.; Stone buildings--Colorado--Wallstreet--1940-1950.
    • [between 1940 and 1950?]
    • Plant of the Index Shale Oil Co., (Brown Retort), near De Beque

    • View of the Index Shale Oil Company extraction facility near De Beque (Mesa County), Colorado; men pose by retorts and shed roofs. The Roan Cliffs are in the distance.
    • Index Oil Shale Company--1920-1930.; Oil-shale industry--Colorado--De Beque--1920-1930.; De Beque (Colo.)--1920-1930.; Roan Cliffs (Utah and Colo.)--1920-1930.; Industrial facilities--Colorado--De Beque--1920-1930.; Petroleum industry--Colorado--De...
    • [between 1920 and 1930?]
    • Plant of Monarch Shale Oil Co., (Ginet Process), near De Beque, Colo.

    • Men pose by the Monarch Shale Oil Company shale oil extraction facility near De Beque (Mesa County), Colorado; pipes and sheds are on a steep slope.
    • Monarch Shale Oil Company--1910-1920.; Oil-shale industry--Colorado--Mesa County--1910-1920.; Mesa County (Colo.)--1910-1920.; Industrial facilities--Colorado--Mesa County--1910-1920.; Men--Colorado--Mesa County--1910-1920.; Petroleum...
    • [between 1910 and 1920?]
    • Metallic Extraction Company's works, Cyanide

    • View of the Metallic Extraction Company in Cyanide, Fremont County, Colorado, shows: mill buildings, tents, smokestacks, Denver & Rio Grande railcars, elevated tracks, water tower, and pillar rock formations in background.
    • Denver and Rio Grande Western Railroad Company--1890-1910.; Cyanide (Colo.)--1890-1910.; Ore industry--Colorado--Cyanide--1890-1910.; Railroad freight cars--Colorado--Cyanide--1890-1910.
    • [between 1895 and 1910?]
    • Nancy Gold Mining and Tunnel Company Mill

    • View of Nancy Gold Mining and Tunnel Company gold extraction mill ruins in Boulder County, Colorado; mine facility has stone walls on hillsides.
    • Boulder County (Colo.)--1940-1950.; Nancy Mine (Colo.)--1940-1950.; Wallstreet (Colo.)--1940-1950.; Mills--Colorado--Boulder County--1940-1950.; Mining--Colorado--Boulder County--1940-1950.; Ruins--Colorado--Boulder County--1940-1950.
    • 1940
    • Plant of Monarch Shale Oil Co., (Ginet Process), near De Beque, Colo.

    • View of the Monarch Shale Oil Company oil shale extraction plant near De Beque (Mesa County), Colorado; men pose by pipes and sheds on a steep slope.
    • Monarch Shale Oil Company--1910-1930.; Oil-shale industry--Colorado--Mesa County--1910-1930.; Mesa County (Colo.)--1910-1930.; Industrial facilities--Colorado--Mesa County--1910-1930.; Petroleum industry--Colorado--Mesa County--1910-1930.
    • [between 1910 and 1930?]
    • Mt. Logan plant

    • View of a shale oil extraction facility in Garfield County, Colorado; sheds, machinery, barrels, hoists, and cable guides are on a steep slope. Roan Cliff formations are in the background.
    • Oil-shale industry--Colorado--Garfield County--1890-1910.; Garfield County (Colo.)--1890-1910.; Industrial facilities--Colorado--Garfield County--1890-1910.; Petroleum industry--Colorado--Garfield County--1890-1910.
    • [between 1890 and 1910?]
    • North side of ore bins, south side of leaching blding. east side roaster blding.

    • View of Golden Cycle Mill, Colorado City, El Paso County, Colorado; shows ore bins, leaching building, and roaster building; ore processing mill used for extraction of gold.
    • Colorado City (Colo.)--1900-1940.; Gold mining equipment--Colorado--Colorado City--1900-1940.; Gold mining--Colorado--Colorado City--1900-1940.; Interiors.; Golden Cycle Corporation.
    • [between 1905 and 1935]
    • Percipitation [i.e. precipitation] room, Golden Cycle Mill

    • Interior view of precipitation room, Golden Cycle Mill, Colorado City, Colorado; started 1905 as ore processing mill used for extraction of gold.
    • Colorado City (Colo.)--1900-1940.; Gold mining equipment--Colorado--Colorado City--1900-1940.; Gold mining--Colorado--Colorado City--1900-1940.; Interiors.; Golden Cycle Corporation.
    • [between 1905 and 1935]
    • First Baptist Church Diamond Anniversary

    • Book commemorating the Diamond Anniversary of the First Baptist Church in Denver, Colorado. Included in the book is a description of the history of the church, is former locations, photographs and a list of members of the congregation.
    • First Baptist Church (Denver, Colo.)--Directories.; First Baptist Church (Denver, Colo.)
    • 1939
    • 1861 Colorado Territorial Election

    • The election was held August 19, 1861. Data was taken from Poll Books Volumes 1, 2 and 3. These books area also on microfilm at the Colorado State Archives, 1313 Sherman St. Room 120, Denver, Colorado 80203.
    • Elections--Colorado.; Colorado--Population.; Colorado--1861.; Colorado--Genealogy--Sources.
    • Undated
    • Crusher, Golden Cycle Mill

    • Interior view of crusher in Golden Cycle Mill, Colorado City, west side of Colorado Springs, Colorado, which began in 1905 as an ore processing mill used for extraction of gold.
    • Colorado City (Colo.)--1900-1940.; Gold mining equipment--Colorado--Colorado City--1900-1940.; Gold mining--Colorado--Colorado City--1900-1940.; Golden Cycle Corporation.
    • [between 1905 and 1935]
    • Distribution one of 12, 600 ton steel tanks

    • Interior view of mill, Golden Cycle Mill, Colorado City, Colorado; began in 1905, as ore processing mill used for extraction of gold.
    • Colorado City (Colo.)--1900-1940.; Gold mining equipment--Colorado--Colorado City--1900-1940.; Gold mining--Colorado--Colorado City--1900-1940.; Interiors.; Golden Cycle Corporation.
    • [between 1905 and 1935]
    • Municipal Facts: Volume 12 Numbers 3 and 4, 1929 March-April

    • Newsletter produced every two months by the City of Denver highlighting the civic, administrative, and informational aspects of government within the City.
    • Local government--Colorado--Denver.; Cities and towns--Colorado--Denver.
    • 19290300

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