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The 1868 Coast Chart No. 107: Seguin Island to Kennebunkport, Maine, updated in 1887, is a detailed representation of a segment of the Maine coastline. Directed by A.D. Bache and B.P. Peirce, this chart is a product of the trigonometrical survey by the United States Coast Survey.
In the mid-19th century, the United States saw a surge in coastal surveying efforts, motivated by the practical needs of maritime navigation and safety. The US Coast Survey, responsible for this task, was instrumental in systematically mapping the nation's coastlines using advanced surveying techniques.
This particular chart, covering the area from Seguin Island to Kennebunkport, Maine, was crucial for navigating the New England coast.
The map gives detailed treatment to Portland, Biddeford, and Saco.
![[ The Finest Colonial New England Sea Chart of the 18th Century ] The Coast of New England](https://storage.googleapis.com/raremaps/img/small/63672.jpg)
![[ Mount Desert Island -- Proof Sheet -- George Davidson Copy ]](https://storage.googleapis.com/raremaps/img/small/101360.jpg)
