The Crenshaw 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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68° on Nov. 13, 1989, the hottest reading for this week of the year since 1962. Next is 68° in 1994.
Crenshaw’s center stands about 1,640 ft above sea level. Within three miles the land runs from 1,440 ft to 1,960 ft, a difference of 520 ft: hilly country. The highest named summit within 15 miles is Boone Mountain, about 2,410 ft, 6 miles east.
The section below crosses 6 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 19×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Sandstone, conglomerate. Age: Carboniferous, 299 to 324 million years old. About 9 mi of the line.
Sandstone. Age: Carboniferous, 299 to 324 million years old. About 7 mi of the line.
Shale. Age: Carboniferous, 299 to 324 million years old. About 6 mi of the line.
Sandstone, siltstone. Age: Devonian to Carboniferous, 324 to 422 million years old. About 2 mi of the line.
Shale, clastic. Age: Carboniferous, 299 to 324 million years old. About 0.5 mi of the line.
Sandstone, siltstone, shale. Age: Devonian to Carboniferous, 324 to 422 million years old. About 0.4 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 Crenshaw reaches the Gulf of America by way of Little Toby Creek, the Clarion, the Allegheny, the Ohio and the Mississippi: about 2,130 river miles.
970 miles of the trip are on the Ohio.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Crenshaw; river miles along the main stem, rounded.
Crenshaw has a warm-summer humid continental climate. Summer afternoons average 79° in July; winter nights fall to about 17° in January. About 42 inches of rain fall in a normal year.
On November 14 Crenshaw normally reaches 48° and falls to 32°. The record high is 68°, in 1994; the record low 8°, in 1986. The most rain on this date, 1.05 in, fell in 2011.
Normals 1991–2020 and records since 1962 at Dubois Regional Airport, 9 miles southwest, 170 ft higher. NOAA, through RCC-ACIS.
