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1982 Map of Sprague Island

Name: 1982 Topographic Map of Sprague Island
Creator: U.S. Geological Survey
Published: 1992
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1992

About this map

The St Marks Lighthouse stands as a sentinel over the intersection of the St Marks River and the shallow waters of Apalachee Bay. This orthophotomap, based on aerial photography from the late 1970s, captures the intricate marshlands and tidal flats of the St Marks National Wildlife Refuge. The landscape is dominated by a complex network of bayous, such as Steward Bayou and Boggy Bayou, which weave through the sawgrass and wetlands.

A notable historical boundary, the Forbes Purchase Line, cuts across the terrain, reflecting the early land grants of Spanish Florida. To the east, the Mounds Lookout Tower overlooks the Mounds Pools and several Experimental Levees, indicating active coastal management and wildlife observation. From Sprague Island to the Gulf of Mexico, the map reveals a coast defined by shifting sediment, marked by features like Coon Bottom Bar and the expansive Tidal Flat.