 |
 The Soo
Locks at Sault Ste.
Marie, Michigan, bypass rapids on the St. Marys
River, which connects Lake Superior to the rest
of the Great Lakes, that drop about 21 feet. The
locks handle an average of about 10,000 vessels a
year, making them the busiest in the world. |
 The Grand Coulee
Dam stands across the Columbia
Rivewr about 90 miles northwest of Spokane,
Washington. It is 4,173 feet long, stands 550
feet high, and is the third largest producer of
electricity in the world. |
This page was last updated on 10/20/2011.