The six greatest engineering feats of modern times, picked by Ralph Modjeski, famed Polish civil engineer, and son of Helena Modjeska, the tragedienne (Popular Science Monthly, June), include two canals, two bridges, and two dams:
1) The Suez Canal (1869).
2) The Firth of Forth Bridge, Scotland (1889).
3) The Assuan Dam, Egypt (1902).
4) The Panama Canal (1914).
5) The Roosevelt Dam, Arizona (1911).
6) The Quebec Bridge, St. Lawrence River (1917). Some of these achievements have since been surpassed in the progress of engineering, but the obstacles surmounted and the state...