Lake Ontario dominates this 2016 maritime survey, which focuses on the open waters north of the New York shoreline. The map documents the aquatic boundary between Niagara Co and Orleans Co as it extends into the lake. This particular sheet is almost entirely hydrographic, providing a precise look at the coordinates and international-standard grid systems used for modern navigation and boundary management in the Great Lakes region. The placement of the county line serves as a primary point of reference for offshore jurisdictional limits between the towns of Somerset and Yates.
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This is the sole edition of this map. No revisions or reprints were ever made.
1897 · Olcott
USGS Topo · 1:62,500
1897 · Ridgeway
USGS Topo · 1:62,500
1899 · Niagara
USGS Topo · 1:125,000
1944 · Ashwood
USGS Topo · 1:31,680
1948 · Olcott
USGS Topo · 1:62,500
1949 · Barker
USGS Topo · 1:24,000
1950 · Ridgeway
USGS Topo · 1:62,500
1950 · Ashwood
USGS Topo · 1:24,000
1951 · Lyndonville
USGS Topo · 1:24,000
1952 · Ashwood
USGS Topo · 1:24,000