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1972 Map of Buchanan Keys

Name: 1972 Topographic Map of Buchanan Keys
Creator: U.S. Geological Survey
Published: 1976
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1976

About this map

Everglades National Park encompasses this detailed orthophotomap of the Florida Keys, where shallow carbonate banks and intricate mangrove islands define the marine landscape of Florida Bay. The map reveals the complex bathymetry of the region, from the broad Buchanan Bank and Twin Key Bank to the deeper waters of Rabbit Key Basin. Small, named islands like Buchanan Key and Green Mangrove Key appear as isolated outposts amidst the shoals.

The Intracoastal Waterway cuts through the southeastern corner, marked by an indefinite boundary, signifying the primary marine thoroughfare in an otherwise treacherous and shallow environment. These features, including Upper Arsnicker Keys and Lower Arsnicker Keys, reflect a wilderness area managed for preservation rather than development, showing the natural state of the keys before modern shoreline modifications were common in other parts of the state.