The Collins–Valentine line, or Valentine–Collins line, is the boundary at approximately 45 degrees north latitude that separates the province of Quebec from the states of New York and Vermont. It was surveyed and marked by survey monuments in 1771–1773 by John Collins, surveyor-general of Quebec, and Thomas Valentine, a commissioner appointed by the government of New York.
The Collins–Valentine line, or Valentine–Collins line, is the boundary at approximately 45 degrees north latitude that separates the province of Quebec from the states of New York and Vermont. It was surveyed and marked by survey monuments in 1771–1773 by John Collins, surveyor-general of Quebec, and Thomas Valentine, a commissioner appointed by the government of New York.
Source: Wikipedia "Collins–Valentine line" · CC BY-SA 4.0
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