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- document (26)
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Subject
- denver (colo.) -- directories. (21)
- golden cycle corporation -- 1930-1940. (3)
- leaching -- colorado -- el paso county -- 1930-1940. (3)
- battle mountain gold company (2)
- el paso county (colo.) -- 1930-1940. (2)
- hazardous substances (2)
- mining -- colorado -- el paso county -- 1930-1940. (2)
- pollution. water pollution. colorado (2)
- battle mountain gold (1)
- battle mountain mining company (1)
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You've searched:
All Collections- All fields: Leaching
(52 results)
Display: 50
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- Sluicing sand tank Red Jones
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Red Jones washes out a leaching tank at the Golden Cycle Mill in El Paso County, Colorado. -
Golden Cycle Corporation--1930-1940.; El Paso County (Colo.)--1930-1940.; Cleaning--Colorado--El Paso County--1930-1940.; Interiors--Colorado--El Paso County--1930-1940.; Leaching--Colorado--El Paso County--1930-1940.; Mining--Colorado--El Paso... -
August, 1932
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- Leaching tank filling
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View of a leaching tank as it fills with a sandy ore mixture in the Golden Cycle Mill in El Paso County, Colorado. -
Golden Cycle Corporation--1930-1940.; Leaching--Colorado--El Paso County--1930-1940.; El Paso County (Colo.)--1930-1940.; Mining--Colorado--El Paso County--1930-1940.; Smelters--Colorado--El Paso County--1930-1940. -
1932, August 3
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- North side of ore bins, south side of leaching blding. east side roaster blding.
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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]
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- Vangeison [i. e. Van Gieson] Mill
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View of the Van Gieson Lixivation [leaching] Works near Lake City, Hinsdale County, Colorado. -
Lake City (Colo.)--1880-1900.; Mills--Colorado--Lake City--1880-1900.; Mining--Colorado--Lake City--1880-1900. -
[between 1880 and 1900]
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- Leaching dept from dam
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View of a pipe that carries water and tailings to the dam near the Golden Cycle Mill in El Paso County, Colorado. The leeching tank building and the comminuter building are nearby. -
Golden Cycle Corporation--1930-1940.; Leaching--Colorado--El Paso County--1930-1940.; Mills--Colorado--El Paso County--1930-1940.; Mining--Colorado--El Paso County--1930-1940.; Pipelines--Colorado--El Paso County--1930-1940.; Smelters--Colorado--El... -
August, 1932
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- Annual: North Side High School 1907
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North Denver High School yearbook for 1907 -
Denver Public Schools--Students--Yearbooks.; North High School (Denver, Colo.)--Students--Yearbooks.; School yearbooks--Colorado--Denver.; High schools--Colorado--Denver--Periodicals. -
1907
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- Western History Subject Index
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GOLD. COLORADO
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- Western History Subject Index
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Mines & mineral resources, COLORADO GILPIN COUNTY
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- Western History Subject Index
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Mines and mineral resources. Colorado. Canon
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- Western History Subject Index
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HAZARDOUS SUBSTANCES
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- Western History Subject Index
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HAZARDOUS SUBSTANCES
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- Western History Subject Index
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Clear creek company
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- Western History Subject Index
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Kate mine. Silver Cliff DISTRICT COLORADO
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- Western History Subject Index
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Pollution. Water pollution. Colorado
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- Western History Subject Index
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POLLUTION. WATER POLLUTION. COLORADO
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- Western History Subject Index
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Robert E. Lee mine. Leadville district. Colorado
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- Western History Subject Index
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SAN LUIS- COLORADO
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- Western History Subject Index
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Leadville corporation
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- Western History Subject Index
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Lee mine. Leadville district colorado
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- Western History Subject Index
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WATER SUPPLY. COLORADO. COSTILLA COUNTY
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- Western History Subject Index
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Cerrillos, New Mexico
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- Western History Subject Index
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SUMMITVILLE MINE (RIO GRANDE COUNTY)
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- Western History Subject Index
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Costilla county, Colorado
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- Western History Subject Index
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BATTLE MOUNTAIN GOLD COMPANY
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- Western History Subject Index
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BATTLE MOUNTAIN GOLD COMPANY
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- Western History Subject Index
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BATTLE MOUNTAIN GOLD
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- Western History Subject Index
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BATTLE MOUNTAIN MINING COMPANY
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- Le Resume: 1948
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Yearbook for the year 1948 for Parker High School, located in Parker, Colorado. -
Parker High School (Parker, Colo.)--Students--Yearbooks.; Douglas County History Research Center (Castle Rock, Colo.); School yearbooks--Colorado--Douglas County.; High schools--Colorado--Douglas County--Periodicals. -
1948
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