Description: Full description: [John Green] / after Thomas Johnston / Thomas Kitchin (engraver), A PLAN of Kennebek & Sagadahok Rivers, with the adjacent Coasts: taken from Actual Surveys and dedicated to his Excely. William Shirley Esq. Governor of Massachusetts Bay Prov: in New England by Thomas Johnston, 1754 to which is added a draught of the River LaChaudiere by a French Deserter the same Year. London: Andrew Millar, May 14th 1755. Map insets include plans of Fort St. Frederic at Crown Point on Lake Champlain, and Forts Frankfort, Western and Halifax on the Kennebec River. Another inset shows the portage between the Heads of the Kennebec and Chaudiere rivers. [show less] Published in 1755, this map anticipates the outbreak of the Seven Years War. It was published in State of the British and French Colonies in North America: with Respect to Number of Peoples, Forces, Forts, Indians, Trade and Other Advantages . . . (341) [show more]
Description: The Collins-Valentine Line of 1774 established the boundary between the provinces of New York (then including Vermont) and Quebec. This boundary was later confirmed by the Webster Ashburton Treaty of 1842, by which time Vermont had become a separate state.
Description: Published probably in 1761, this map shows Forts Frankfort in Dresden, Western in Augusta and Halifax in Winslow, all of which were built in anticipation of the Seven Years War, which began in 1756.