The Clearville 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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Clearville’s center stands about 1,450 ft above sea level. Within three miles the land runs from 1,170 ft to 1,590 ft, a difference of 420 ft: hilly country. The highest named summit within 15 miles is Martin Hill, about 2,790 ft, 11 miles west-southwest.
The section below crosses 14 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 12×. 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, siltstone, shale. Age: Late Devonian, 359 to 384 million years old. About 5 mi of the line.
Sandstone. Age: Late Devonian, 359 to 384 million years old. About 4 mi of the line.
Siltstone. Age: Late Devonian, 359 to 384 million years old. About 4 mi of the line.
Limestone, shale, dolostone. Age: Ordovician, 445 to 487 million years old. About 2 mi of the line.
Black-shale. Age: Early Devonian to Middle Devonian, 384 to 422 million years old. About 2 mi of the line.
Shale. Age: Ordovician, 445 to 487 million years old. About 2 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale. 8 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 Clearville reaches Chesapeake Bay and the Atlantic Ocean by way of Shaffer Creek, Brush Creek, the Raystown Branch Juniata, the Juniata and the Susquehanna: about 280 river miles.
Lakes on the way: Lake Aldred and Raystown Lake.
90 miles of the trip are on the Juniata.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Clearville; river miles along the main stem, rounded.
