
The vast expanse of the Pacific Ocean dominates this maritime survey off the northern coast of Niihau. Produced by the U.S. Geological Survey in 2024, the map focuses on the open waters of the Kauai County archipelago. The lack of terrestrial features or bathymetric contours indicates a deep-water area where the marine environment remains the primary subject. For researchers or maritime historians, the sheet provides a precise coordinate system for the waters surrounding one of Hawaii's most secluded islands, documenting the contemporary boundaries of the state's northwestern reaches.
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This is the sole edition of this map. No revisions or reprints were ever made.
1954 · Kauai
USGS Topo · 1:250,000
1967 · Kauai
USGS Topo · 1:250,000
1970 · Kauai
USGS Topo · 1:250,000
1984 · Niihau North
USGS Topo · 1:25,000
1989 · Keanauhi Valley
USGS Topo · 1:24,000
1989 · Kalanei
USGS Topo · 1:24,000
2013 · Niihau North OE N
USGS Topo · 1:24,000
2013 · Niihau North OE NW
USGS Topo · 1:24,000
2013 · Niihau North OE W
USGS Topo · 1:24,000
2013 · Niihau North
USGS Topo · 1:24,000