Upper Jo-Mary Lake and its intricate network of connecting waterways dominate this northern Penobscot County landscape, illustrating the remote character of Long A Township. The map centers on the massive basin of Upper Jo-Mary Lake, featuring Black Island and the distinctive geological landmark Balancing Rock on its northern shore. The settlement at West Seboeis represents the primary point of human development, situated where West Seboeis Stream feeds into the northern reaches of Seboeis Lake.
28 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1940 · Sebec
USGS Topo · 1:48,000
1943 · Sebec
USGS Topo · 1:62,500
1947 · Schoodic
USGS Topo · 1:62,500
1949 · Schoodic
USGS Topo · 1:62,500
1951 · Norcross
USGS Topo · 1:62,500
1952 · Jo-Mary Mountain
USGS Topo · 1:62,500
1954 · Millinocket
USGS Topo · 1:250,000
1958 · Millinocket
USGS Topo · 1:250,000
1960 · Millinocket
USGS Topo · 1:250,000
1978 · Norcross
USGS Topo · 1:24,000