The Dixie Inn 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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Dixie Inn’s center stands about 160 ft above sea level. Within three miles the land runs from 140 ft to 290 ft, a difference of 150 ft: gently rolling country. The highest named summit within 15 miles is Giddens Hill, about 420 ft, 12 miles west-southwest.
Under the town center the state geologic map shows Alluvium (clay), from the Holocene, less than 12,000 years old.
The section below crosses 6 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 62×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Clay, silt. Age: Pleistocene, less than 2.6 million years old. About 8 mi of the line.
Clay, marl. Age: Eocene, 34 to 56 million years old. About 6 mi of the line.
Clay. Age: Holocene, less than 12,000 years old. About 5 mi of the line.
Clay, silt, sand. Age: Pleistocene, less than 2.6 million years old. About 2 mi of the line.
Clay, silt, sand. Age: Pleistocene, less than 2.6 million years old. About 1 mi of the line.
Sand, clay. Age: Eocene, 34 to 56 million years old. About 0.8 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 Dixie Inn reaches the Gulf of America by way of the Bayou Dorcheat, Loggy Bayou, the Red River, the Atchafalaya and the Lower Atchafalaya: about 410 river miles.
Lake on the way: Tadpole Lake.
230 miles of the trip are on the Red River.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Dixie Inn; river miles along the main stem, rounded.
