Health and Safety Analysis Center (U.S.). Branch of Injury and Employment Information & United States. Mine Safety and Health Administration. (1984). Summary of selected injury experience and worktime for the mining industry in the United States, 1931-77. U.S. Dept. of Labor, Mine Safety and Health Administration.
Chicago Style (17th ed.) CitationHealth and Safety Analysis Center (U.S.). Branch of Injury and Employment Information and United States. Mine Safety and Health Administration. Summary of Selected Injury Experience and Worktime for the Mining Industry in the United States, 1931-77. [Denver, Colo.?]: U.S. Dept. of Labor, Mine Safety and Health Administration, 1984.
MLA (9th ed.) CitationHealth and Safety Analysis Center (U.S.). Branch of Injury and Employment Information and United States. Mine Safety and Health Administration. Summary of Selected Injury Experience and Worktime for the Mining Industry in the United States, 1931-77. U.S. Dept. of Labor, Mine Safety and Health Administration, 1984.