"Safe storage, handling, and use of commercial explosives in metal mines, nonmetallic mines, and quarries."; "Harrington, D. (Daniel), 1878-", "East, J. H., Jr. "; "Explosives--Safety measures.", "Mine accidents."; "East, J. H., Jr. ", "Harrington, D. (Daniel), 1878-"; "1946"; "

Serial issue. Issued as: United States. Bureau of Mines. Information circular, 7380 (1946:Sept.).

"; ""; "P19459"; "pec"; "Mine accidents.", "Explosives--Safety measures."; "14256"; .