The Beulah Valley 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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Beulah Valley’s center stands about 6,210 ft above sea level. Within three miles the land runs from 5,960 ft to 7,410 ft, a difference of 1,450 ft: steep hill country. The highest named summit within 15 miles is Greenhorn Mountain, about 12,320 ft, 13 miles south.
Under the town center the state geologic map shows Fountain Fm (arkose, conglomerate), from the Carboniferous to Permian, 252 to 324 million years old.
The section below crosses 7 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 3×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Alkali-feldspar-granite, granite. Age: Mesoproterozoic, 1 to 1.6 billion years old. About 6 mi of the line.
Shale. Age: Late Cretaceous, 66 to 100 million years old. About 5 mi of the line.
Shale, limestone. Age: Early Cretaceous to Late Cretaceous, 66 to 145 million years old. About 4 mi of the line.
Gneiss. Age: Paleoproterozoic, 1.6 to 2.5 billion years old. About 4 mi of the line.
Arkose, conglomerate. Age: Carboniferous to Permian, 252 to 324 million years old. About 3 mi of the line.
Sandstone, mudstone, limestone. Age: Jurassic to Cretaceous, 66 to 202 million years old. About 2 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale. 1 smaller unit 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 Beulah Valley reaches the Gulf of America by way of Squirrel Creek, the North Saint Charles, the Saint Charles, the Arkansas and the Mississippi: about 1,890 river miles.
Lakes on the way: Murray Lake and Ozark Lake.
960 miles of the trip are on the Arkansas.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Beulah Valley; river miles along the main stem, rounded.
