The Beddington plate. Relief from Copernicus GLO-30; rivers and lakes from USGS NHD; watersheds from the USGS Watershed Boundary Dataset; roads and city limits from Census TIGER 2024.
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Beddington’s center stands about 520 ft above sea level. Within three miles the land runs from 240 ft to 1,170 ft, a difference of 930 ft: steep hill country. The highest named summit within 15 miles is Lead Mountain, about 1,480 ft, 3 miles west-northwest.
Under the town center the state geologic map shows Penobscot Formation (slate, schist, quartzite), from the Middle Ordovician to Late Ordovician, 450 to 470 million years old.
The section below crosses 5 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 18×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Alkali-feldspar-granite. Age: Devonian, 359 to 422 million years old. About 13 mi of the line.
Slate, schist, quartzite. Age: Middle Ordovician to Late Ordovician, 450 to 470 million years old. About 6 mi of the line.
Granite. Age: Devonian, 359 to 422 million years old. About 3 mi of the line.
Sandstone, limestone. Age: Ordovician to Devonian, 359 to 487 million years old. About 1 mi of the line.
Age: Devonian, 359 to 422 million years old. About 0.6 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale.
Heights from Copernicus GLO-90 (a surface model: it includes buildings and tree canopy); summits from USGS GNIS; rivers from USGS NHDPlus HR; rock from the USGS State Geologic Map Compilation.
A raindrop that lands in Beddington reaches the Atlantic Ocean by way of Spruce Mountain Lake Brook and the Narraguagus: about 30 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Beddington; river miles along the main stem, rounded.
