Grafton Notch serves as the focal point for this high-altitude landscape in the Mahoosuc Range, where the Bear River carves through deep geological formations. The terrain is defined by extreme relief, from the summit of Old Speck Mountain down to the dramatic Mother Walker Falls Gorge and Screw Auger Falls Gorge. For hikers and local historians, the alignment of the Appalachian Trl and the Mahoosuc Trl reveals the established corridor for foot travel through this part of Oxford County. Human presence is sparse, centered on the small settlement of Ketchum in the south and the isolated Camp 3 near Silver Stream. Numerous peaks like Goose Eye Mountain and Sunday River Whitecap surround the watershed of the Bull Branch and Sunday River, illustrating a region dominated by conservation and recreation rather than industrial development.
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1893 · Gorham
USGS Topo · 1:62,500
1896 · Gorham
USGS Topo · 1:62,500
1914 · Bethel
USGS Topo · 1:62,500
1930 · Milan
USGS Topo · 1:62,500
1933 · Milan
USGS Topo · 1:62,500
1934 · Milan
USGS Topo · 1:62,500
1937 · Gorham
USGS Topo · 1:48,000
1940 · Bethel
USGS Topo · 1:62,500
1941 · Bethel
USGS Topo · 1:62,500
1942 · Gorham
USGS Topo · 1:62,500