Atlas · maritime and coastal context
Outer-island maritime plates
Garden, High, Hog, Whiskey, North Fox, and South Fox receive separate coastal-reference frames. Source dates and limits appear on each sheet.

Garden Island coasts, harbors, and navigation context
Island-scale NOAA bathymetry, GNIS named harbors, and mapped waterfront context for Garden Island; not a navigational chart.
Drawn from the archive's own data in EPSG:3078. Map data © OpenStreetMap contributors (ODbL 1.0); USGS GNIS and 3DEP; NOAA NCEI Great Lakes bathymetry (public domain).

High Island coasts, harbors, and navigation context
Island-scale NOAA bathymetry, GNIS named harbors, and mapped waterfront context for High Island; not a navigational chart.
Drawn from the archive's own data in EPSG:3078. Map data © OpenStreetMap contributors (ODbL 1.0); USGS GNIS and 3DEP; NOAA NCEI Great Lakes bathymetry (public domain).

Hog Island coasts, harbors, and navigation context
Island-scale NOAA bathymetry, GNIS named harbors, and mapped waterfront context for Hog Island; not a navigational chart.
Drawn from the archive's own data in EPSG:3078. Map data © OpenStreetMap contributors (ODbL 1.0); USGS GNIS and 3DEP; NOAA NCEI Great Lakes bathymetry (public domain).

Whiskey Island coasts, harbors, and navigation context
Island-scale NOAA bathymetry, GNIS named harbors, and mapped waterfront context for Whiskey Island; not a navigational chart.
Drawn from the archive's own data in EPSG:3078. Map data © OpenStreetMap contributors (ODbL 1.0); USGS GNIS and 3DEP; NOAA NCEI Great Lakes bathymetry (public domain).

North Fox Island coasts, harbors, and navigation context
Island-scale NOAA bathymetry, GNIS named harbors, and mapped waterfront context for North Fox Island; not a navigational chart.
Drawn from the archive's own data in EPSG:3078. Map data © OpenStreetMap contributors (ODbL 1.0); USGS GNIS and 3DEP; NOAA NCEI Great Lakes bathymetry (public domain).

South Fox Island coasts, harbors, and navigation context
Island-scale NOAA bathymetry, GNIS named harbors, and mapped waterfront context for South Fox Island; not a navigational chart.
Drawn from the archive's own data in EPSG:3078. Map data © OpenStreetMap contributors (ODbL 1.0); USGS GNIS and 3DEP; NOAA NCEI Great Lakes bathymetry (public domain).