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1956 Map of Penobscot Lake, 1977 Print
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1956 Map of Penobscot Lake

USGS Topo · Published 1977

About this map

The International Boundary between the United States and Canada defines the northwestern reaches of this Somerset County landscape, where the waters of Penobscot Lake dominate the highland terrain. This 1956 survey records a remote wilderness characterized by a complex network of glacial ponds and drainage basins, including Big Grenier Pond, Portage Lake, and Hale Pond. The hydrology of the region is anchored by the Penobscot River and its South Branch, which navigate through several townships like Prentiss and Hammond. Human presence is largely limited to the infrastructure of forest management and border monitoring, evidenced by the Fire Warden Camp and a Lookout Tower positioned on Boundary Bald Mtn. Numerous Jeep Trails and the Boundary Trail provide the primary means of access through the timberlands, connecting isolated peaks such as Green Mountain and Ironbound Mountain.

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Map Details

Date Portrayed1956
Date Published1977
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:62,500
Physical Dimensions17.9 x 21.7 inches

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain