
Portage Lake dominates the southeastern portion of this 1975 orthophotograph, a specialized aerial survey that provides a direct visual record of the Aroostook County timberlands during the mid-1970s. The imagery reveals the complex network of logging roads and clearings carved into the forest canopy, particularly around the northern slopes of West Mountain. This industrial landscape is defined by the drainage patterns of the Fish River and its tributary, Mosquito Brook, which cut through the dense vegetation. Unlike traditional line-drawn maps, this photo-quadrangle captures the specific texture of the Maine woods, showing the precise extent of contemporary timber harvesting operations and the varied density of the second-growth forest at this specific moment in time.
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This is the sole edition of this map. No revisions or reprints were ever made.
1928 · Winterville
USGS Topo · 1:48,000
1929 · Portage
USGS Topo · 1:62,500
1930 · Greenlaw
USGS Topo · 1:48,000
1931 · Ashland
USGS Topo · 1:48,000
1931 · Portage
USGS Topo · 1:62,500
1931 · Winterville
USGS Topo · 1:62,500
1933 · Greenlaw
USGS Topo · 1:62,500
1934 · Ashland
USGS Topo · 1:62,500
1953 · Ashland
USGS Topo · 1:62,500
1953 · Portage
USGS Topo · 1:62,500