The first public marina on Lake Lanier in at least 30 years — and the first ever on the Chestatee River arm of Lanier — is being considered by the Army Corps of Engineers. The corps’ Mobile (Ala.) District plans to soon send out a formal “request for proposals” for a marina on 17 acres at Bolding Mill Campground at 4055 Chestatee Road, off Cool Springs Road in northwest Hall County. “Currently, there are no marinas in this area, and this marina will satisfy the portion of the master plan that calls for fuel services on this end of the lake,” said Lisa Parker, district spokeswoman.