Innovative method for casting steel armorplate /
by Paul C. Turner and Jeffery S. Hansen.
- Washington, D.C. : U.S. Dept. of the Interior, Bureau of Mines, 1993.
- 9 p. : ill.
- Report of investigations ; 9460 .
- United States. Bureau of Mines. Report of investigations ; 9460. .
- Report of investigations (United States. Bureau of Mines) ; 9460. .