The Sportsmans Park 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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Sportsmans Park’s center stands about 2,290 ft above sea level. Within three miles the land runs from 2,050 ft to 3,020 ft, a difference of 970 ft: steep hill country. The highest named summit within 15 miles is Lookout Mountain, about 6,490 ft, 11 miles northwest.
Under the town center the state geologic map shows Basalt and basaltic andesite (basaltic-andesite, basalt), from the Early Pliocene to Pleistocene, 1.2 to 3.9 million years old.
The section below crosses 9 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.
Basaltic-andesite, basalt. Age: Early Pliocene to Pleistocene, 1.2 to 3.9 million years old. About 8 mi of the line.
Basaltic-andesite, andesite. Age: Pliocene to Pleistocene, less than 5.3 million years old. About 6 mi of the line.
Basalt. Age: Miocene to Pliocene, 2.6 to 23 million years old. About 5 mi of the line.
Sandstone-mudstone. Age: Pliocene to Pleistocene, less than 5.3 million years old. About 3 mi of the line.
Basalt. Age: Early Miocene to Middle Miocene, 12 to 23 million years old. About 1 mi of the line.
Basaltic-andesite, basalt. Age: Late Miocene to Early Pliocene, 4 to 9 million years old. About 0.7 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale. 3 smaller units 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 Sportsmans Park reaches the Pacific Ocean by way of Wildcat Creek, Rock Creek, the White River, the Deschutes and the Columbia: about 270 river miles.
200 miles of the trip are on the Columbia.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Sportsmans Park; river miles along the main stem, rounded.
