Canal Zone. Department of Operation and Maintenance. (1944). Town maps: Northern & southern districts. Panama Canal, Department of Operation and Maintenance, Section of Civilian Defense.
Chicago Style (17th ed.) CitationCanal Zone. Department of Operation and Maintenance. Town Maps: Northern & Southern Districts. Balboa Heights, C.Z.: Panama Canal, Department of Operation and Maintenance, Section of Civilian Defense, 1944.
MLA (9th ed.) CitationCanal Zone. Department of Operation and Maintenance. Town Maps: Northern & Southern Districts. Panama Canal, Department of Operation and Maintenance, Section of Civilian Defense, 1944.
Warning: These citations may not always be 100% accurate.