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1956 Map of Card Sound

Name: 1956 Topographic Map of Card Sound
Creator: U.S. Geological Survey
Published: 1970
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1970

About this map

Key Largo and the surrounding island chains of the Florida Keys are shown here during a period of transition, with early developments like Grayvik and the Ocean Reef Club emerging amidst the mangrove swamps and tidal creeks. The map illustrates the complex waterway network between Card Sound and the Atlantic Ocean, including the Intracoastal Waterway and the narrow passages of Angelfish Creek and Broad Creek.

Purple revisions added from 1969 aerial photography reveal the expansion of the Ocean Reef Club and a Golf Course on the northern end of the key, contrasting with the untouched wetlands surrounding Crocodile Lake to the south. This survey provides a record of the landscape before intensive modern development, documenting the location of the Key Largo Club and navigation aids like Daybeacons and Spoil Banks that supported maritime travel through Barnes Sound and Cutter Bank.