The Wildorado 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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Wildorado’s center stands about 3,920 ft above sea level. Within three miles the land runs from 3,760 ft to 3,960 ft, a difference of 200 ft: rolling country.
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 31×. 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. Age: Pleistocene, less than 2.6 million years old. About 11 mi of the line.
Conglomerate-sandstone. Age: Middle Triassic to Late Triassic, 208 to 247 million years old. About 5 mi of the line.
Siltstone-mudstone. Age: Middle Triassic to Late Triassic, 208 to 247 million years old. About 4 mi of the line.
Sand. Age: Late Miocene to Pliocene, 2.6 to 12 million years old. About 3 mi of the line.
Clay, silt. Age: Pleistocene to Holocene, less than 2.6 million years old. About 0.4 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 Wildorado reaches the Gulf of America by way of Palo Duro Creek, the Prairie Dog Town Fork Red, the Red River, the Atchafalaya and the Lower Atchafalaya: about 1,360 river miles.
1,040 miles of the trip are on the Red River.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Wildorado; river miles along the main stem, rounded.
