The Summer Set 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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Summer Set’s center stands about 720 ft above sea level. Within three miles the land runs from 530 ft to 900 ft, a difference of 370 ft: rolling country. The highest named summit within 15 miles is Vinegar Hill, about 1,070 ft, 5 miles south-southeast.
Under the town center the state geologic map shows Smithville Dolomite, Powell Dolomite, Cotter Dolomite, Jefferson City Dolomite (dolostone), from the Early Ordovician, 471 to 487 million years old.
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 33×. 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: Early Ordovician, 471 to 487 million years old. About 13 mi of the line.
Dolostone, shale, siltstone. Age: Cambrian, 487 to 497 million years old. About 4 mi of the line.
Dolostone. Age: Cambrian, 487 to 497 million years old. About 3 mi of the line.
Sandstone, chert. Age: Early Ordovician, 471 to 487 million years old. About 3 mi of the line.
Dolostone. Age: Early Ordovician, 471 to 487 million years old. About 1 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 Summer Set reaches the Gulf of America by way of Joachim Creek and the Mississippi: about 1,150 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Summer Set; river miles along the main stem, rounded.
