Detailed chart of the area around Tybee Bay and teh mouth of the Savannah from Edmund M. Blunt's American Coast Pilot.
Blunt is one of the foremost names in 19th Century American navigation. Blunt's "pilot" was first issued in Newburyport, Massachusetts in 1796 without charts. The first issue to contain charts was issued in 1804.
Tybee Island is shown of the left, Hilton Head and Dawfuskie Island are shown on the right.