Pacific Ocean waters dominate this 2013 coastal survey of the Niihau North OE NW quadrangle. Produced by the U.S. Geological Survey, the map provides a precise geodetic record of the maritime region in Kauai County, Hawaii. This specific sheet focuses on the open sea, serving as a critical reference for hydrography and marine navigation in the Hawaiian archipelago just after the turn of the decade. The lack of land features highlights the expansive marine environment surrounding the northern reaches of the islands.
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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 W
USGS Topo · 1:24,000
2013 · Niihau North
USGS Topo · 1:24,000
2017 · Niihau North OE W
USGS Topo · 1:24,000