The Esterbrook 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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Esterbrook’s center stands about 6,520 ft above sea level. Within three miles the land runs from 5,440 ft to 6,660 ft, a difference of 1,220 ft: steep hill country. The highest named summit within 15 miles is Laramie Peak, about 10,190 ft, 11 miles south-southwest.
Under the town center the state geologic map shows Metasedimentary and metavolcanic rocks (amphibolite, hornblende-gneiss, biotite-gneiss), from the Archean.
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 4×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Granite. Age: Archean. About 9 mi of the line.
Sandstone, claystone, conglomerate. Age: Late Miocene, 5.3 to 12 million years old. About 9 mi of the line.
Amphibolite, hornblende-gneiss, biotite-gneiss. Age: Archean. About 6 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 Esterbrook reaches the Gulf of America by way of Horseshoe Creek, the North Platte, the Platte, the Missouri and the Mississippi: about 2,410 river miles.
1,170 miles of the trip are on the Mississippi.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Esterbrook; river miles along the main stem, rounded.
