The Westview Circle 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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Westview Circle’s center stands about 4,730 ft above sea level. Within three miles the land runs from 4,610 ft to 4,900 ft, a difference of 290 ft: rolling country. The highest named summit within 15 miles is Collins Peak, about 7,770 ft, 14 miles west.
Under the town center the state geologic map shows Lower Miocene and Upper Oligocene rocks or rocks equivalent to Upper and Lower Miocene rocks and White River Formation (sandstone, siltstone, claystone), from the Late Oligocene to Late Miocene, 5.3 to 28 million years old.
The section below crosses 5 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 10×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Sandstone, siltstone, claystone. Age: Late Oligocene to Late Miocene, 5.3 to 28 million years old. About 9 mi of the line.
Gravel. Age: Pleistocene to Holocene, less than 2.6 million years old. About 5 mi of the line.
Sand, unconsolidated. Age: Pleistocene to Holocene, less than 2.6 million years old. About 5 mi of the line.
Clay, silt, sand. Age: Pleistocene to Holocene, less than 2.6 million years old. About 3 mi of the line.
Granite. Age: Archean. 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 Westview Circle reaches the Gulf of America by way of Sybille Creek, the Laramie, the North Platte, the Platte, the Missouri and the Mississippi: about 2,370 river miles.
Lake on the way: Grayrocks Reservoir.
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 Westview Circle; river miles along the main stem, rounded.
