The Oxford Junction 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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Oxford Junction’s center stands about 730 ft above sea level. Within three miles the land runs from 710 ft to 910 ft, a difference of 200 ft: rolling country. The highest named summit within 15 miles is Goose Rock, about 930 ft, 12 miles north-northeast.
Under the town center the state geologic map shows Hopkinton, Blanding, Tete Des Morts, Mosalem formations (dolostone), from the Late Ordovician to Silurian, 434 to 447 million years old.
The section below crosses 3 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 59×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Dolostone. Age: Late Ordovician to Silurian, 434 to 447 million years old. About 13 mi of the line.
Dolostone. Age: Silurian, 431 to 440 million years old. About 10 mi of the line.
Shale, dolostone. Age: Late Ordovician, 447 to 454 million years old. About 0.7 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 Oxford Junction reaches the Gulf of America by way of the Wapsipinicon and the Mississippi: about 1,550 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Oxford Junction; river miles along the main stem, rounded.
