
Bristol Bay dominates the vast majority of this survey, which primarily documents the marine environment and coastal interface of southwestern Alaska. The map traces the transition from the open waters of the bay to the shoreline, marked by shifting sand and intricate wetland systems. As an official U.S. Geological Survey product, it meticulously grids the maritime area according to the Public Land Survey System, specifically defining the boundaries for T31s R54w and T32s R54w. The inclusion of bathymetric or coastal contour data reveals the subtle topography of the seabed and intertidal zones, reflecting the dynamic nature of this remote coastline where tidal flats and shallow waters are the primary geographical features.
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This is the sole edition of this map. No revisions or reprints were ever made.
1943 · Ugashik
USGS Topo · 1:250,000
1948 · Ugashik
USGS Topo · 1:250,000
1949 · Ugashik
USGS Topo · 1:250,000
1951 · Bristol Bay
USGS Topo · 1:250,000
1951 · Ugashik C-6
USGS Topo · 1:63,360
1963 · Ugashik B-6
USGS Topo · 1:63,360
1963 · Bristol Bay
USGS Topo · 1:250,000
1963 · Bristol Bay B-1
USGS Topo · 1:63,360
1963 · Ugashik
USGS Topo · 1:250,000
1967 · Bristol Bay
USGS Topo · 1:250,000