The Davis Island Lock and Dam, 1870-1922 /
Leland R. Johnson.
APA Citation
Johnson, L. R., United States. Army. Corps of Engineers. Pittsburgh District. (1985). The Davis Island Lock and Dam, 1870-1922. Pittsburgh, Pa.: U.S. Army Engineer District.
MLA Citation
Johnson, Leland R, and United States. Army. Corps of Engineers. Pittsburgh District. The Davis Island Lock And Dam, 1870-1922. Pittsburgh, Pa.: U.S. Army Engineer District, 1985.
Warning: These citations may not always be complete (especially for serials).