The Bedford 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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Bedford’s center stands about 1,100 ft above sea level. Within three miles the land runs from 1,050 ft to 2,390 ft, a difference of 1,340 ft: steep hill country. The highest named summit within 15 miles is Martin Hill, about 2,790 ft, 12 miles south-southwest.
Under the town center the state geologic map shows Keyser and Tonoloway Formations, undivided (limestone), from the Silurian to Devonian, 359 to 445 million years old.
The section below crosses 11 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 14×. 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. Age: Ordovician, 445 to 487 million years old. About 3 mi of the line.
Shale. Age: Silurian, 422 to 445 million years old. About 3 mi of the line.
Shale, sandstone. Age: Silurian, 422 to 445 million years old. About 3 mi of the line.
Age: Early Devonian to Middle Devonian, 384 to 422 million years old. About 3 mi of the line.
Quartzite. Age: Silurian, 422 to 445 million years old. About 3 mi of the line.
Limestone. Age: Silurian to Devonian, 359 to 445 million years old. About 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. 5 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 Bedford reaches Chesapeake Bay and the Atlantic Ocean by way of Dunning Creek, the Raystown Branch Juniata, the Juniata and the Susquehanna: about 270 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 Bedford; river miles along the main stem, rounded.
