The Keyes 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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Keyes’s center stands about 3,940 ft above sea level. Within three miles the land runs from 3,880 ft to 3,990 ft, a difference of 110 ft: gently rolling country. The highest named summit within 15 miles is Wolf Mountain, about 4,100 ft, 15 miles west-northwest.
Under the town center the state geologic map shows Ogallala Formation (fine-detrital, coarse-detrital), from the Pliocene, 2.6 to 5.3 million years old.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 44×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Fine-detrital, coarse-detrital. Age: Pliocene, 2.6 to 5.3 million years old. About 24 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 Keyes reaches the Gulf of America by way of Goff Creek, the Beaver, the North Canadian, the Canadian, the Arkansas and the Mississippi: about 1,710 river miles.
Lakes on the way: Canton Lake, Murray 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 Keyes; river miles along the main stem, rounded.
