The Teachey 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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Teachey’s center stands about 70 ft above sea level. Within three miles the land runs from 40 ft to 110 ft, a difference of 70 ft: gently rolling country.
Under the town center the state geologic map shows Peedee Formation (sand, clay), from the Cretaceous, 66 to 145 million years old.
The section below crosses 2 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.
Sand, clay. Age: Cretaceous, 66 to 145 million years old. About 19 mi of the line.
Clay, sand. Age: Cretaceous, 66 to 145 million years old. About 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 Teachey reaches the Atlantic Ocean by way of Little Rockfish Creek, Rockfish Creek, the Northeast Cape Fear and the Cape Fear: about 100 river miles.
65 miles of the trip are on the Northeast Cape Fear.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Teachey; river miles along the main stem, rounded.
