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 4,560 ft above sea level. Within three miles the land runs from 4,480 ft to 5,300 ft, a difference of 820 ft: hilly country. The highest named summit within 15 miles is Red Mountain, about 9,370 ft, 12 miles north-northwest.
The section below crosses 7 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 5×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Metasiltstone, argillite. Age: Mesoproterozoic, 1 to 1.6 billion years old. About 7 mi of the line.
Unconsolidated. Age: Pleistocene to Holocene, less than 1.8 million years old. About 6 mi of the line.
Quartzite, metasiltstone, argillite. Age: Mesoproterozoic, 1 to 1.6 billion years old. About 6 mi of the line.
Quartzite, argillite, metasiltstone. Age: Mesoproterozoic, 1 to 1.6 billion years old. About 3 mi of the line.
Andesite, basalt. Age: Tertiary, 2.6 to 66 million years old. About 0.9 mi of the line.
Gravel, sand, silt. Age: Pleistocene to Holocene, less than 1.8 million years old. About 0.5 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale. 1 smaller unit along the line are not listed.
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 the Pacific Ocean by way of the Blackfoot, the Clark Fork, the Pend Oreille and the Columbia: about 1,180 river miles.
Lakes on the way: Lake Pend Oreille, Lake Umatilla and Noxon Rapids Reservoir.
460 miles of the trip are on the Columbia.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Lincoln; river miles along the main stem, rounded.
