The Zeb 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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11° on Nov. 15, 1940, the coldest reading for this week of the year since 1905. Next is 11° in 1959.
Zeb’s center stands about 800 ft above sea level. Within three miles the land runs from 630 ft to 1,040 ft, a difference of 410 ft: hilly country. The highest named summit within 15 miles is Pack Mountain, about 1,390 ft, 15 miles south-southeast.
Under the town center the state geologic map shows Keokuk and Reeds Spring Formations and St. Joe Group (chert, limestone), from the Carboniferous, 324 to 359 million years old.
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 32×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Shale, sandstone. Age: Carboniferous, 299 to 324 million years old. About 12 mi of the line.
Chert, limestone. Age: Carboniferous, 324 to 359 million years old. About 4 mi of the line.
Limestone, shale. Age: Carboniferous, 324 to 359 million years old. About 4 mi of the line.
Limestone, shale, sandstone. Age: Carboniferous, 299 to 324 million years old. About 2 mi of the line.
Fine-detrital. Age: Holocene, less than 12,000 years old. About 1 mi of the line.
Limestone, shale, sandstone. Age: Early Ordovician to Carboniferous, 324 to 487 million years old. About 0.7 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 Zeb reaches the Gulf of America by way of Greenleaf Creek, the Arkansas and the Mississippi: about 1,000 river miles.
Lakes on the way: 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 Zeb; river miles along the main stem, rounded.
Zeb has a humid subtropical climate. Summer afternoons average 93° in July; winter nights fall to about 26° in January. About 43 inches of rain fall in a normal year, with about 3 inches of snow.
On November 14 Zeb normally reaches 62° and falls to 38°. The record high is 81°, in 1999; the record low 15°, in 1940. The most rain on this date, 2.08 in, fell in 1924.
Normals 1991–2020 and records since 1905 at Muskogee, 16 miles west, 280 ft lower. NOAA, through RCC-ACIS.
