The Pottersville 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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Pottersville’s center stands about 870 ft above sea level. Within three miles the land runs from 800 ft to 2,030 ft, a difference of 1,230 ft: steep hill country. The highest named summit within 15 miles is Hoffman Mountain, about 3,680 ft, 12 miles north.
Under the town center the state geologic map shows Biotite and/or hornblende granite gneiss, from the Mesoproterozoic, 1 to 1.6 billion years old.
The section below crosses 8 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 7×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Gneiss. Age: Mesoproterozoic, 1 to 1.6 billion years old. About 10 mi of the line.
Charnockite, gneiss. Age: Mesoproterozoic, 1 to 1.6 billion years old. About 6 mi of the line.
Metasedimentary, migmatite. Age: Mesoproterozoic, 1 to 1.6 billion years old. About 4 mi of the line.
Metaanorthosite. Age: Mesoproterozoic, 1 to 1.6 billion years old. About 2 mi of the line.
Gneiss, metaanorthosite. Age: Mesoproterozoic, 1 to 1.6 billion years old. About 1 mi of the line.
Unconsolidated. Age: Quaternary, less than 2.6 million years old. About 0.5 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale. 2 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 Pottersville reaches New York Harbor and the Atlantic Ocean by way of Trout Brook, the Schroon and the Hudson: about 270 river miles.
Lake on the way: Schroon Lake.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Pottersville; river miles along the main stem, rounded.
