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You've searched:
All Collections- All fields: prospecting
(1225 results)
Display: 50
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- The Colorado School of Mines geophysics labratory
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"The Colorado School of Mines geophysics laboratory, showing Professor C. A. Heiland using a pair of geophones. This accoustic method, an outgrowth of trench warfare in Europe, is employed in connection with seismic prospecting. Seismographs in the... -
Golden (Colo.)--1920-1930.; Universities & colleges--Colorado--Golden--1920-1930.; Colorado School of Mines. -
[between 1920 and 1930]
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- Hutch Stevens, Lovelock, Nevada
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Prospector Hutch Stevens of Hahns Peak (Routt County; also known as Poverty Bar), Colorado, stands near rock formations near a Nevada Mining Camp. Stevens holds a pick axe in his left hand and has a canteen hanging around his neck. He wears a... -
Hahns Peak (Colo.)--1900-1910.; Gold miners--Colorado--Hahns Peak--1900-1910.; Stevens, Hutch, 1854-1907. -
March, 1907
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- Cannibal Plateau
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in San Juans. Packer, "the human cannibal," found guilty of their murders.; View of monument at foot of Slumgullion Pass, a few miles south outside of Lake City, Colorado. Jim Zeigler and Victoria Seifried stand at iron fence that surrounds marker... -
Lake City (Colo.)--1940-1950.; Tombs & sepulchral monuments--Colorado--Lake City--1940- 1950.; Packer, Alferd, 1842-1907. -
1942
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- Western History Subject Index
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Canon.City & Gunnison prospecting mining co
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- Western History Subject Index
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Mines & mineral resources, COLORADO Eagle river
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- Western History Subject Index
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Mines and mineral resources. Colorado Garffield county
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- Western History Subject Index
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mines mineral resources colorado san juan region
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- Western History Subject Index
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Nonpareil prospecting and mining company
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- Western History Subject Index
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Louisville prospecting company
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- Western History Subject Index
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SILVER CREEK PROSPECTING & MINING COMPANY
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- Western History Subject Index
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United States prospecting & mining company
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- Western History Subject Index
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Prospecting
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- Western History Subject Index
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mines and mineral resources. Colorado
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- Trinity Methodist Pioneer Day
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Transcript of the proceedings for the Pioneer Day Celebration at Trinity Methodist Church in 1894. -
Pioneers--Colorado.; Trinity United Methodist Church (Denver, Colo.) -
1894 January 7
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- Western History Subject Index
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Colorado prospecting and developing company
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- Western History Subject Index
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Colorado prospecting and mining company
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- Western History Subject Index
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Colorado prospecting & mining company
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- Western History Subject Index
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Carbonate hill mining and prospecting company
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- Western History Subject Index
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Carpe Diem mining and milling and prospecting
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- Western History Subject Index
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Carpi Diem mining, milling & prospecting company
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- Western History Subject Index
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Cascade mountain mining and prospecting company
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- Western History Subject Index
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Casco ruining and prospecting company
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- Western History Subject Index
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Centennial prospecting and mining company
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- Western History Subject Index
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Custer mining, prospecting & smelting company
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- Western History Subject Index
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Custer mining, prospecting, milling and smelting
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- Western History Subject Index
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Denver lode and Placer prospecting and
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- Western History Subject Index
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Chicago & Colorado. prospecting & mining Co
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- Western History Subject Index
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Colorado mining and prospecting company
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- Western History Subject Index
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Diamond prospecting company
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- Western History Subject Index
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District of Columbia mining & prospecting co
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- Western History Subject Index
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Dolovers prospecting & mining company
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- Western History Subject Index
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Galveston & Colorado prospecting company
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- Western History Subject Index
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Gareso prospecting and mining company
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- Western History Subject Index
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Gold mining and prospecting company
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- Western History Subject Index
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Gold run flume extension and quartz prospecting company
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- Western History Subject Index
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Good Speed Colorado mining & prospecting co
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- Western History Subject Index
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Grand river mining & prospecting company
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- Western History Subject Index
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Green mountain prospecting, mining & reduction
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- Western History Subject Index
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GRIFFITH OIL PROSPECTING WELL
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- Western History Subject Index
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Gunnison & San Miguel consolidated prospecting
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- Western History Subject Index
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Gunnison and San Miguel prospecting and
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- Western History Subject Index
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Harmony mining and prospecting company
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- Western History Subject Index
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Colorado mutual mining & prospecting company
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- Western History Subject Index
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Penn prospecting and mining company
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- Western History Subject Index
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Phoenix gold and silver mining and prospecting
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- Western History Subject Index
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Mines and mineral resources. ColoRADO Denver
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- Western History Subject Index
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Mines and mineral resources. Colorado
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- Western History Subject Index
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Mines and mineral resources. Colorado
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- Western History Subject Index
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Mines and mineral resources. Colorado. Empire
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- Western History Subject Index
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MINES & mineral resources, COLORADO Fairplay dist
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