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  • All fields: Extraction
(132 results)



Display: 50

    • 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]
    • Denver Municipal Facts: Volume 2 Number 13, 1910 March 26

    • Newsletter produced 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.
    • 19100326
    • Denver Municipal Facts: Volume 3 Number 30, 1911 July 22

    • Newsletter produced 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.
    • 19110722
    • 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]
    • 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?]
    • 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
    • History of Denver

    • Comprehenisve study of the history of the Denver area before, during, and after the founding of the city.
    • Cities and towns--Colorado--Denver.
    • 1901
    • 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?]
    • 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?]
    • Municipal Facts: Volume 1 Number 8, 1918 October

    • Newsletter produced monthly 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.
    • 19181001
    • 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
    • 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
    • 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
    • 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]
    • Mining Index to Hollister, Henderson and Canfield Histories

    • Mining index to Henderson, Hollister, and Canfield mining histories. Names of mines, mining companies, mining districts, lodes, veins, claims, and tunnels are indexed with page number.
    • Mines and mineral industries--Colorado--Directories.; Mines and mineral resources--Colorado--Directories.;
    • 1995
    • 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
    • Genealogical index to the records of the Society of Colorado Pioneers

    • An index produced by the Colorado Genealogical Society pertaining to the recognized settlers of Colorado. Information for each individual include, date and place of birth, date and place of death, date of arrival in Colorado,
    • Society of Colorado Pioneers--Indexes.
    • 1990
    • Place names of Colorado : a genealogical & historical guide to Colorado sites

    • The primary objective of this index is to contain a comprehensive listing of place names or sites in Colorado that would direct the researcher to recent and readily available publications. Included in this publication for each site or place name,...
    • Names, Geographical--Colorado.; Colorado--History, Local.
    • 1999
    • 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]
    • 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?]
    • 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?]
    • 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?]
    • The City of Denver: Volume 2 Number 23, 1914 September 12

    • Newsletter produced semi-monthly 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.
    • 19140912
    • The Park Hill Experience

    • Demographic study of the African-American Population in Denver
    • African Americans--Employment--Colorado--Denver.; African Americans--Colorado--Denver.
    • 1974
    • The Reform Advocate. The story of the Jews of Denver.

    • Includes one handwritten page at end of reel on the history of the Jewish Temple in Denver, Colorado.
    • Jews--Colorado--Denver--History.; Reform Judaism--Periodicals. ; Denver (Colo.)--Social life and customs.
    • 1908 October 31
    • 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

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