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Search results with tag "Colorado mine accident index"
Colorado Mine Accident Index: Fatal and Non-Fatal
history.denverlibrary.orgSherard, Gerald E., Pre-1963 Colorado Mining Fatalities, (1995), 413 pp (Colorado State Archives microfilm GR908; Denver Public Library - Western History & Genealogy Collection G929.3788, S551pr) Technical Information Center and Library, National Mine Health and Safety Academy, 1301 Airport Road,