Description: A US Coast and Geodetic Survey map of the Florida Keys from Alligator Reef to Sombrero Key, 1931. This survey chart shows all soundings expressed in feet. Navigational aids such as safety fairways, and visual markers such as lights, buoys, and beacons are shown as well as obstructions such as fixed bridges and submerged rocks. Measure of magnetic variance and annual change included. Scale 1:80,000. Key to NOAA maps. Place Names: Monroe, Tavernier, Key Vaca, Long Key, Lower Matecumbe Key,Upper Matecumbe Key, Marathon, Islamorada ISO Topic Categories: transportation, oceans Keywords: Florida Keys: Alligator Reef to Sombrero Key, physical, transportation, physical features, railroads, roads, water routes, water depths, transportation, oceans, Unknown,1931 Source: US Coast and Geodetic Survey, (Washington, DC: US Coast and Geodetic Survey, 1931) Map Credit: Courtesy the U.S. National Oceanic and Atmospheric Administration |
|