The Kaufman 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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Kaufman’s center stands about 460 ft above sea level. Within three miles the land runs from 370 ft to 470 ft, a difference of 100 ft: gently rolling country.
Under the town center the state geologic map shows Kemp clay and Corsicana Marl, undivided, from the Late Cretaceous, 66 to 72 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 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.
Clay, sand. Age: Paleocene, 56 to 66 million years old. About 7 mi of the line.
Fine-detrital, coarse-detrital. Age: Holocene, less than 12,000 years old. About 5 mi of the line.
Clay. Age: Late Cretaceous, 66 to 72 million years old. About 5 mi of the line.
Claystone. Age: Late Cretaceous, 66 to 72 million years old. About 5 mi of the line.
Sand. Age: Pleistocene to Holocene, less than 2.6 million years old. About 2 mi of the line.
Sandstone. Age: Late Cretaceous, 66 to 72 million years old. About 0.6 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 Kaufman reaches Galveston Bay and the Gulf of America by way of Kings Creek, Cedar Creek and the Trinity: about 390 river miles.
Lakes on the way: Woodlands Golf Course Lake and Cedar Creek Reservoir.
150 miles of the trip are on the Trinity.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Kaufman; river miles along the main stem, rounded.
