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1989 Map of Penobscot Lake

Name: 1989 Topographic Map of Penobscot Lake
Creator: U.S. Geological Survey
Published: 1989
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1989

About this map

Penobscot Lake dominates this northern Somerset County landscape, situated along the international border between Maine and Quebec. This 1989 provisional survey captures a remote wilderness defined by a dense network of interconnected waterways, where the Canada-United States border cuts directly through the northern tip of Lac du Portage. The interior reflects an active resource-management landscape, marked by several Gravel Pits and Shale Pits accessed by unimproved roads and trails.

Hydrological features are particularly detailed, showing the Concrete Spillway Falls at the southern end of Penobscot Lake and various smaller basins like Lizzies Bog and Spaulding Pond. The township divisions of Dole Brook, Prentiss, and Hammond frame the territory, while the presence of a Thoroughfare near Frost Pond Flowage indicates the traditional movement patterns through these northwood drainage basins.