The Fairford 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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Fairford’s center stands about 90 ft above sea level. Within three miles the land runs from 50 ft to 260 ft, a difference of 210 ft: rolling country. The highest named summit within 15 miles is Dwight Hill, about 340 ft, 11 miles west.
Under the town center the state geologic map shows Alluvial, coastal and low terrace deposits (sand), from the Holocene, less than 12,000 years old.
The section below crosses 3 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 53×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Sand. Age: Holocene, less than 12,000 years old. About 11 mi of the line.
Sand, clay. Age: Miocene to Pliocene, 2.6 to 23 million years old. About 10 mi of the line.
Sand. Age: Pliocene to Pleistocene, less than 5.3 million years old. About 2 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 Fairford reaches Mobile Bay and the Gulf of America by way of Poll Bayou, the Tombigbee and the Mobile: about 70 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Fairford; river miles along the main stem, rounded.
