found: Handbook of electric blasting, c1985:t.p. (Atlas Powder Company)
found: NUCMC data from Mahoning Valley Historical Society for Ravenna Arsenal collection, 1954-1995(Ravenna Arsenal; originally operated by Atlas Powder Company under government contract until 1952 when it became contractor operated by Ravenna Arsenal, Inc., a subsidiary of Firestone Tire; in 1940s part of facility operated by Silas Mason Co.; Ravenna, Ohio)
found: Atlas Powder Company records, 1868-1958 :(Atlas Powder Company; inc. in Del., Oct. 18, 1912, as part of the break-up of E.I. du Pont de Nemours Powder Company's explosives industry cartel under antitrust decree; acquired control of The Giant Powder Company, Consolidated in 1915 and merged it in June 1934; acquired control of Richards and Company, Incorporated of Stamford, Conn., and its subsidiaries in 1917 and acquired their assets outright and dissolved them in 1936, subsidiaries at that time being The Zapon Company (N.J.), The Zapon Company (Calif.) and the Duratex Corporation; acquired control of Napon Rayon Corporation in 1925; acquired the assets of Peerless-Union Explosives Corporation in 1931; established Atlas de México, S.A. as a Latin America sales subsidiary in 1937; merged Darco Corporation, June 1, 1950; acquired Thermaflow Chemical Corporation, 1956)
found: Moody's industrials manual, 1963:p. 484 (Atlas Powder Company changed its name to Atlas Chemical Industries, Inc., on May 31, 1961, and on June 1, 1961 absorbed The Stuart Company, a pharmaceuticals manufacturer of Pasadena, Calif.)
