The Chewey 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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Chewey’s center stands about 870 ft above sea level. Within three miles the land runs from 810 ft to 1,160 ft, a difference of 350 ft: rolling country. The highest named summit within 15 miles is Bates Mountain, about 1,430 ft, 14 miles east-southeast.
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 40×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Chert, limestone. Age: Carboniferous, 324 to 359 million years old. About 18 mi of the line.
Shale, limestone, dolostone. Age: Early Ordovician to Carboniferous, 324 to 487 million years old. About 3 mi of the line.
Limestone, shale, sandstone. Age: Early Ordovician to Carboniferous, 324 to 487 million years old. About 1 mi of the line.
Fine-detrital. Age: Holocene, less than 12,000 years old. About 1 mi of the line.
Coarse-detrital, fine-detrital. Age: Pleistocene, less than 2.6 million years old. About 0.8 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 Chewey reaches the Gulf of America by way of the Illinois, the Arkansas and the Mississippi: about 1,060 river miles.
Lakes on the way: Murray Lake, Tenkiller Ferry Lake and Ozark Lake.
600 miles of the trip are on the Mississippi.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Chewey; river miles along the main stem, rounded.
