note Whitewater Kayakers Network
Check out that group on facebook. As well as the ATL whitewater Club. Both are good resources for ATL boaters and maybe someone will actually reply there!

Another option is to show up at the Thrifts Putin on the chattooga - The thrifts to woodall section sounds well within your capabilities and will allow you to meet some people/ make some friends.
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travisofthecosmos