After that hike yesterday, Kathe wasn't going anywhere! It's just too hot to do anything strenuous. Jim suggested a scenic drive up to Grand Coolie Dam and that sounded like a good idea to her. As long as the air conditioning was on full blast! She packed a picnic lunch and off they went.
Only a few miles from where we are camped is one of the greatest geological wonders in North America. Carved by Ice Age Floods, Dry Lake Falls was once four times larger than Niagara Falls. The huge "dry waterfall" remains a clue as to the floods power. It's 3.5 miles wide and 400 feet tall. Imagine how that falls would have roared.
Next, they drove along scenic highway 155 to Grand Coolie to see the Grand Coolie Dam. Wow, they were impressed. The dam is 550 feet high and 5,223 feet long. Compare that to the Hoover Dam, which is 726 feet high, but only 1,244 feet long. It took only 3,250,00 cubic yards of concrete to build the Hoover Dam and the Grand Coolie Dam needed 11,975,521 cubic yards. Grand Coolie generates more than 21 billion kilowatt-hours of electricity each year. Power from the Grand Coolie Dam is supplied to Washington, Oregon, Idaho, western Montana and parts of California, Nevada, Utah, Wyoming and Canada.
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