Lawrence power - tropicalesque

The Saint Lawrence Seaway was preceded by several other canals. In 1871, locks on the Saint Lawrence allowed transit of vessels 186 ft (57 m) long, 44 ft 6 in ( m) wide, and 9 ft ( m) deep. The First Welland Canal , constructed from 1824–1829, had a minimum lock size of 110 ft (34 m) long, 22 ft ( m) wide, and 8 ft ( m) deep, but it was generally too small to allow passage of larger ocean-going ships. The Welland Canal 's minimum lock size was increased to 150 ft (46 m) long,  ft ( m) wide, and 9 ft ( m) deep for the Second Welland Canal; to 270 ft (82 m) long, 45 ft (14 m) wide, and 14 ft ( m) deep with the Third Welland Canal; and to 766 ft (233 m) long, 80 ft (24 m) wide, and 30 ft ( m) deep for the current (Fourth) Welland Canal. [2]


Lawrence Power - TropicalesqueLawrence Power - TropicalesqueLawrence Power - TropicalesqueLawrence Power - Tropicalesque

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