The Goshen 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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Goshen’s center stands about 2,050 ft above sea level. Within three miles the land runs from 1,030 ft to 2,520 ft, a difference of 1,490 ft: steep hill country. The highest named summit within 15 miles is Mount Kearsarge, about 2,910 ft, 14 miles east-northeast.
Under the town center the state geologic map shows Kinsman Granodiorite, from the Early Devonian, 394 to 422 million years old.
The section below crosses 10 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 11×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Granodiorite. Age: Early Devonian, 394 to 422 million years old. About 12 mi of the line.
Granodiorite. Age: Early Devonian, 394 to 422 million years old. About 7 mi of the line.
Metagraywacke. Age: Early Devonian, 410 to 414 million years old. About 2 mi of the line.
Age: Late Ordovician, 445 to 459 million years old. About 1 mi of the line.
Metaclastic. Age: Silurian, 434 to 445 million years old. About 0.7 mi of the line.
Slate, schist. Age: Middle Ordovician to Late Ordovician, 445 to 471 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. 4 smaller units along the line are not listed.
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 Goshen reaches Long Island Sound and the Atlantic Ocean by way of Blood Brook, the South Branch Sugar, the Sugar and the Connecticut: about 230 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Goshen; river miles along the main stem, rounded.
