
Prospect Hill anchors the southern edge of this international borderlands survey, where the United States meets Canada in a landscape defined by its complex drainage network. The terrain is dominated by the headwaters of several notable rivers flowing northward, including the Rivière-Ditton Ouest and Rivière Ditton Est. The presence of Ruisseau Mining suggests a history of local resource extraction, while the MB Ext Trl provides a modern recreational corridor through the wooded elevations near the boundary. This specific quadrangle focuses primarily on the hydrography of the region, tracing the paths of Rivière du Quatre, Rivière Chesham, and Cours d'eau-Labbé as they wind through the high country of Coos County.
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This is the sole edition of this map. No revisions or reprints were ever made.
1925 · Indian Stream
USGS Topo · 1:48,000
1926 · Indian Stream
USGS Topo · 1:62,500
1927 · Indian Stream
USGS Topo · 1:62,500
1927 · Moose Bog
USGS Topo · 1:48,000
1927 · Second Lake
USGS Topo · 1:62,500
1931 · Moose Bog
USGS Topo · 1:62,500
1932 · Second Lake
USGS Topo · 1:62,500
1949 · Jackman
USGS Topo · 1:250,000
1963 · Jackman
USGS Topo · 1:250,000
1966 · Sherbrooke
USGS Topo · 1:250,000