Tampa Bay Florida Keys Western Florida Coast 1851 U.S. Coast Survey nautical mapSketch F Showing the Progress of the Survey in Section VI with a General Reconnaissance of the Western Coast of Florida. (Old Maps, 19th Century Maps, Americana, United States, Florida, Tampa Bay, Florida Keys Nautical Chart, Coastal Survey). Issued 1851, United States for U. S. Coast Survey. Mid 19th century lithographed detailed coastal survey. Original fold lines as issued. Condition: Overall near VG, nicer than it looks on the screen. Some overall