The Mineral Springs 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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Mineral Springs’s center stands about 1,400 ft above sea level. Within three miles the land runs from 1,100 ft to 2,030 ft, a difference of 930 ft: steep hill country. The highest named summit within 15 miles is Big Knob, about 2,340 ft, 11 miles north.
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 16×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Sandstone. Age: Carboniferous, 299 to 324 million years old. About 12 mi of the line.
Sandstone, conglomerate. Age: Carboniferous, 299 to 324 million years old. About 9 mi of the line.
Sandstone. Age: Carboniferous, 324 to 359 million years old. About 3 mi of the line.
Shale. Age: Carboniferous, 299 to 324 million years old. About 0.7 mi of the line.
Sandstone, siltstone. Age: Devonian to Carboniferous, 324 to 422 million years old. About 0.3 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 Mineral Springs reaches Chesapeake Bay and the Atlantic Ocean by way of Roaring Run, the West Branch Susquehanna and the Susquehanna: about 310 river miles.
Lake on the way: Lake Aldred.
170 miles of the trip are on the West Branch Susquehanna.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Mineral Springs; river miles along the main stem, rounded.
