The Duchess Landing 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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16° on Nov. 12, 2019, the coldest reading for this week of the year since 1996. Next is 17° in 2014.
Duchess Landing’s center stands about 630 ft above sea level. Within three miles the land runs from 580 ft to 840 ft, a difference of 260 ft: rolling country. The highest named summit within 15 miles is Brooken Mountain, about 1,120 ft, 12 miles south.
Under the town center the state geologic map shows McAlester and Hartshorne Formations (shale, sandstone), from the Carboniferous, 299 to 324 million years old.
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 42×. 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 11 mi of the line.
Shale, sandstone. Age: Carboniferous, 299 to 324 million years old. About 5 mi of the line.
Coarse-detrital, fine-detrital. Age: Pleistocene, less than 2.6 million years old. About 3 mi of the line.
Fine-detrital. Age: Holocene, less than 12,000 years old. About 0.8 mi of the line.
Shale, sandstone. Age: Carboniferous, 299 to 324 million years old. About 0.5 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 Duchess Landing reaches the Gulf of America by way of the Canadian, the Arkansas and the Mississippi: about 1,010 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 Duchess Landing; river miles along the main stem, rounded.
Duchess Landing has a humid subtropical climate. Summer afternoons average 92° in July; winter nights fall to about 28° in January. About 43 inches of rain fall in a normal year.
On November 14 Duchess Landing normally reaches 62° and falls to 39°. The record high is 81°, in 2025; the record low 21°, in 2018. The most rain on this date, 0.78 in, fell in 2020.
Normals 1991–2020 and records since 1996 at Muskogee Davis Field, 18 miles north. NOAA, through RCC-ACIS.
