The Falmouth 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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Falmouth’s center stands about 570 ft above sea level. Within three miles the land runs from 530 ft to 860 ft, a difference of 330 ft: rolling country. The highest named summit within 15 miles is Coopertown Hill, about 950 ft, 12 miles west-southwest.
Under the town center the state geologic map shows Alluvium (sand, silt), from the Pleistocene to Holocene, less than 2.6 million years old.
The section below crosses 4 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 43×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Shale, limestone. Age: Ordovician, 445 to 487 million years old. About 17 mi of the line.
Sand, silt. Age: Pleistocene to Holocene, less than 2.6 million years old. About 5 mi of the line.
Limestone. Age: Ordovician, 445 to 487 million years old. About 1 mi of the line.
Limestone. Age: Middle Ordovician, 459 to 471 million years old. About 0.4 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 Falmouth reaches the Gulf of America by way of the Licking, the Ohio and the Mississippi: about 1,530 river miles.
970 miles of the trip are on the Mississippi.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Falmouth; river miles along the main stem, rounded.
