The Camp Nelson 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.
Camp Nelson’s center stands about 4,880 ft above sea level. Within three miles the land runs from 4,010 ft to 8,570 ft, a difference of 4,560 ft: mountain country. The highest named summit within 15 miles is Coyote Peaks, about 10,840 ft, 15 miles northeast.
Under the town center the state geologic map shows Pre-Cenozoic metasedimentary and metavolcanic rocks undivided (schist, gneiss), from the Paleoproterozoic to Cretaceous, 66 to 2,500 million years old.
The section below crosses 2 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 3×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Granodiorite. Age: Permian to Tertiary, 2.6 to 260 million years old. About 21 mi of the line.
Schist, gneiss. Age: Paleoproterozoic to Cretaceous, 66 to 2,500 million years old. About 3 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 Camp Nelson reaches the Tulare Lake basin by way of Nelson Creek, the South Fork Middle Fork Tule, the Middle Fork Tule and the Tule: about 80 river miles. The Tulare Lake basin has no outlet to the sea: the water leaves only by evaporating or soaking into the ground.
Lake on the way: Lake Success.
55 miles of the trip are on the Tule.
Often dry. About 50% of the way is mapped as streams that run only after rain or snowmelt; the water makes the whole trip in floods.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Camp Nelson; river miles along the main stem, rounded.