Item 22488 - Southwest Branch of the St. John River, 1845 Item 22488 - Southwest Branch of the St. John River, 1845 Contributed by Maine Historical Society Item 22488 Zoom 7602px x 6015px - 25.3"w x 20.1"h @ 300dpi | Need a larger size? *Credit line must read: Collections of Maine Historical Society Image Info This portion of the St. John River in Aroostook County is a work in progress by cartographer Alexander W. Longfellow (1814-1901) of Portland. He worked with the Northeast Boundary Survey, mapping the northern border of Maine to help settle a boundary dispute between the U.S. and Canada. Show Details