The Fairfield 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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Fairfield’s center stands barely above sea level. Within three miles the land runs from -10 ft to 50 ft, a difference of 60 ft: nearly flat ground.
Under the town center the state geologic map shows Surficial Deposits, Undivided (sand, clay, gravel), from the Quaternary, less than 2.6 million years old.
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.
Sand, clay, gravel. Age: Quaternary, less than 2.6 million years old. About 24 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 Fairfield reaches Albemarle Sound and the Atlantic Ocean by way of the Alligator: about 30 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Fairfield; river miles along the main stem, rounded.
