
Monson serves as a primary hub for this Piscataquis County landscape, where the local economy and geography are deeply intertwined with the slate industry. The survey details several industrial sites, including the Rineo Quarry, Eighteen Quarry, and Farm Quarry No 1, which underscore the region's history of mineral extraction. These quarries are often associated with local water bodies, such as Eighteen Quarry Pond, reflecting the transformation of the terrain through mining. The land is defined by a dense network of ponds and bogs, including Juniper Knee Pond and Gilman Swamp, which feed into major waterways like the Big Wilson Stream.
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1933 · Guilford
USGS Topo · 1:62,500
1937 · Guilford
USGS Topo · 1:62,500
1948 · Kingsbury
USGS Topo · 1:62,500
1950 · Kingsbury
USGS Topo · 1:62,500
1950 · Sebec Lake
USGS Topo · 1:62,500
1951 · Greenville
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
1975 · Kingsbury NE
USGS Topo · 1:24,000