The Lexington 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.
Chance of showers
Showers likely; cooler
Mostly cloudy
Mostly sunny; warmer
Mostly cloudy
Chance of showers
Partly cloudy
Lexington’s center stands about 470 ft above sea level. Within three miles the land runs from 360 ft to 520 ft, a difference of 160 ft: gently rolling country. The highest named summit within 15 miles is Yegua Knobbs, about 740 ft, 12 miles west-southwest.
Under the town center the state geologic map shows Weches Formation (sandstone), from the Middle Eocene, 38 to 48 million years old.
The section below crosses 10 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 64×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Claystone. Age: Late Paleocene to Early Eocene, 48 to 59 million years old. About 5 mi of the line.
Sandstone. Age: Middle Eocene, 38 to 48 million years old. About 4 mi of the line.
Claystone, sandstone. Age: Eocene, 34 to 56 million years old. About 4 mi of the line.
Sandstone. Age: Eocene, 34 to 56 million years old. About 4 mi of the line.
Siltstone, sandstone. Age: Middle Eocene, 38 to 48 million years old. About 2 mi of the line.
Claystone. Age: Paleocene, 56 to 66 million years old. About 1 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale. 4 smaller units 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 Lexington reaches the Gulf of America by way of Shaw Branch, Middle Yegua Creek, Yegua Creek and the Brazos: about 310 river miles.
Lake on the way: Somerville Lake.
250 miles of the trip are on the Brazos.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Lexington; river miles along the main stem, rounded.
