http://pec.lib.wvu.edu/record/P194591946Safe storage, handling, and use of commercial explosives in metal mines, nonmetallic mines, and quarries.<p> Serial issue. Issued as: United States. Bureau of Mines. <em>Information circular</em>, 7380 (1946:Sept.). </p>East, J. H., Jr. Harrington, D. (Daniel), 1878-Explosives--Safety measures.Mine accidents.14256