Description: A US Coast and Geodetic Survey map of the Florida Keys from Sombrero Key to Sand Key, 1932. 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, Key West, Big Pine ISO Topic Categories: transportation, oceans, elevation Keywords: Florida Keys: Sombrero Key to Sand Key, physical, transportation, hydrological, physical features, roads, railroads, water routes, water depths, transportation, oceans, elevation, Unknown,1932 Source: US Coast and Geodetic Survey, Gulf Coast Survey (Washington, DC: US Coast and Geodetic Survey, 1932) Map Credit: Courtesy the U.S. National Oceanic and Atmospheric Administration |
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