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Manuscripts
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M003
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Shenandoah-Dives Mining and Milling Company records.
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M004 & I046
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American Zinc, Lead & Smelting Company records. 1.5 document cases and 7 rolls of microfilm. Records pertaining to Colorado mines and mining, 1901-1957.
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M005
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Mining records and printed materials. 18 document boxes, 2 flat boxes, 1 small box, 1 thin box, and 2 record boxes. Contains records of mining in the San Juan mountains of southwestern Colorado and beyond, 1860-2000s.
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M007
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Uranium mining collection. 3 document cases; 1940-1958. Papers collected by Denny Viles regarding uranium mining on the Colorado Plateau, in Zimbabwe (formerly Rhodesia), and elsewhere in the world. Includes materials on various mills, articles, clippings, and photos.
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M008
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Durango, CO uranium mill tailings removal collection. 5.5 document cases; 1960-1990. Publicity materials, engineering/environmental assessment reports, task force records, etc., regarding the removal of radioactive tailings from the Durango mill site at the base of Smelter Mountain in the 1980s.
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M009
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Porter/Hesperus/Gifford records. Includes records from coal mining in the Durango vicinity, along with some digital images.
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M021
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Harry Adsit Tomboy Mines papers.
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M060
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Four Corners Environmental Research Institute (FOCERI) collection. 6 document cases and 12 records boxes. Minutes, correspondence and memos, financial records, maps, project records, and engineering/environmental assessment reports regarding various projects in the Four Corners region, including the Durango uranium mill tailings site, La Plata County coal mining, Colorado River tributaries, electric transmission power lines in southern and southwestern Colorado, and other topics researched by FOCERI.
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M078
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Society of Mining Law Antiquarians records.
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M114
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Sunnyside Mine records.
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M116
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Engineering and mining journals.
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M117
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Iowa Gold Mining and Milling Company Store records.
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M175
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Union Carbide Western Slope (Colo.) mining records.
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M186
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Mining History Association archives.
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M187
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Union Carbide Western U.S. 20th century mining collection. 287 linear shelf feet. Mining company operation records related to the mining and processing of uranium, tungsten, vanadium, and other base metals in the Western U.S., especially the Four Corners region, 1920-1990.
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M199
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Evans-Crumbo mining records (Taos, NM).
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M206
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Navajo claims collection records. Records compiled by Dr. John Kessell relating to Navajo land, oil, and gas claims in the Four Corners region.
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M229
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Langan W. Swent papers. Includes materials on health and safety in underground uranium mines.
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M233
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De Lasso Loos Four Corners oil and gas engineering collection. Collection documenting oil and gas engineering projects in the Northeast Blanco Unit and elsewhere in northwestern New Mexico, in the Four Corners region.
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Photographs
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P032
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Colorado mining towns slide transparencies. Approximately 500 large-format color slide transparencies depicting former mining towns and scenes in Colorado, especially on the Western Slope, 1960-1989. Arranged alphabetically by place name.
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