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Originally Posted by AC2717
How do they measure the 503 feet, i mean the channel is not 503 feet? How do they get those numbers on the bridge wall? how doe they determine that number? also at no point, I thought, the lake is 505 or 503 feet deep at certain places 
Please explain how is number is found and why they use it there and basically all about it would be great |
The 504.32 feet that is used as a datum for full lake is referenced to feet (height) above sea-level. It has nothing to do with a direct measure of depth of the lake.