Dry Tortugas National Park encompasses the vast majority of this maritime survey, illustrating the protected marine environment of the Florida Keys' westernmost reaches. The map is defined almost entirely by the open waters of the Atlantic Ocean, with bathymetric and navigational significance found at Pulaski Shoal. This reef and sand bank area serves as a critical landmark for mariners navigating the shallow coral systems of Monroe County. Because the sheet focuses on the eastern outer edge of the park boundary, it reveals the submerged topography and marine borders rather than terrestrial settlements, emphasizing the isolation and preservation of this unique Gulf of Mexico transition zone.
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This is the sole edition of this map. No revisions or reprints were ever made.
1971 · Dry Tortugas
USGS Topo · 1:24,000
1983 · Dry Tortugas
USGS Topo · 1:100,000
1989 · Dry Tortugas
USGS Topo · 1:250,000
2012 · Dry Tortugas
USGS Topo · 1:24,000
2012 · Dry Tortugas OE S
USGS Topo · 1:24,000
2012 · Dry Tortugas OE E
USGS Topo · 1:24,000
2012 · Dry Tortugas OE SE
USGS Topo · 1:24,000
2015 · Dry Tortugas OE SE
USGS Topo · 1:24,000
2015 · Dry Tortugas OE E
USGS Topo · 1:24,000
2015 · Dry Tortugas OE S
USGS Topo · 1:24,000