The Wallace 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.
Sunny
Sunny
Sunny
Sunny
Sunny
Mostly sunny
Mostly sunny
Wallace’s center stands about 60 ft above sea level. Within three miles the land runs from 30 ft to 100 ft, a difference of 70 ft: gently rolling country.
Under the town center the state geologic map shows Yorktown Formation and Duplin Formation, Undivided (clay), from the Tertiary, 2.6 to 66 million 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 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 17 mi of the line.
Clay. Age: Tertiary, 2.6 to 66 million years old. About 6 mi of the line.
Limestone. Age: Tertiary, 2.6 to 66 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 Wallace reaches the Atlantic Ocean by way of Little Rockfish Creek, Rockfish Creek, the Northeast Cape Fear and the Cape Fear: about 95 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 Wallace; river miles along the main stem, rounded.
