Description: A National Oceanic and Atmospheric Administration map of Dry Tortugas, Florida, current to 1975. A detailed map of Tortugas Harbor inclding Fort Jefferson on Garden Key is shown. This Department of Commerce chart shows all soundings expressed in feet at mean low water. Navigational aids such as lights, beacons, buoys and measures of magnetic declination variances are shown as well as obstructions such as shoals and wreckages. The map scale is 1:30,000. Detailed map scale is 1:10,000 Key to NOAA maps.
Source: National Oceanic and Atmospheric Administration, United States - Gulf Coast, Florida (Washington, D.C.: U.S. Department of Commerce, 1975)
Map Credit: Courtesy the U.S. National Oceanic and Atmospheric Administration |
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