The international border between Canada and the United States of America defines this specific geographic quadrant near the crossing of New York and Quebec. Compiled in 2010, the sheet provides a stark representation of the frontier at the 45th parallel. While the landscape is characterized by a lack of dense named settlements or internal features in this specific survey block, the primary focus remains the precise demarcation of the boundary line itself. This 2010 edition by the U.S. Geological Survey reflects modern mapping standards used to delineate the northernmost edge of the New York Coordinate System and its transition into Canadian territory.
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This is the sole edition of this map. No revisions or reprints were ever made.
1915 · Churubusco
USGS Topo · 1:62,500
1915 · Chateaugay
USGS Topo · 1:62,500
1943 · Churubusco
USGS Topo · 1:62,500
1943 · Chateaugay
USGS Topo · 1:62,500
1948 · Ogdensburg
USGS Topo · 1:250,000
1950 · Lake Champlain
USGS Topo · 1:250,000
1951 · Ogdensburg
USGS Topo · 1:250,000
1953 · Ogdensburg
USGS Topo · 1:250,000
1958 · Lake Champlain
USGS Topo · 1:250,000
1961 · Ogdensburg
USGS Topo · 1:250,000