The Lincoln 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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Lincoln’s center stands about 1,220 ft above sea level. Within three miles the land runs from 1,090 ft to 1,300 ft, a difference of 210 ft: rolling country.
Under the town center the state geologic map shows Red beds (shale), from the Jurassic, 145 to 202 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 43×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Shale. Age: Jurassic, 145 to 202 million years old. About 17 mi of the line.
Sandstone, shale. Age: Carboniferous, 299 to 324 million years old. About 8 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 Lincoln reaches Lake Huron by way of Newton Creek, Runyon Creek, the South Branch Tobacco, the Tittabawassee and the Saginaw: about 120 river miles. From there it moves on through the Great Lakes, over Niagara Falls and down the St. Lawrence to the Atlantic.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Lincoln; river miles along the main stem, rounded.
