The Level Green 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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80° on Nov. 11, 2020, the hottest reading for this week of the year since 1943. Next is 72° in 2021.
Level Green’s center stands about 1,050 ft above sea level. Within three miles the land runs from 780 ft to 1,280 ft, a difference of 500 ft: hilly country. The highest named summit within 15 miles is Bald Hill, about 1,320 ft, 12 miles south-southeast.
The section below crosses 4 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 28×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Shale, clastic. Age: Carboniferous, 299 to 324 million years old. About 12 mi of the line.
Limestone, shale, sandstone. Age: Carboniferous, 299 to 324 million years old. About 6 mi of the line.
Shale. Age: Carboniferous, 299 to 324 million years old. About 6 mi of the line.
Sandstone, shale. Age: Carboniferous to Permian, 252 to 324 million years old. About 0.3 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 Level Green reaches the Gulf of America by way of Turtle Creek, the Monongahela, the Ohio and the Mississippi: about 1,970 river miles.
970 miles of the trip are on the Ohio.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Level Green; river miles along the main stem, rounded.
Level Green has a hot-summer humid continental climate. Summer afternoons average 84° in July; winter nights fall to about 22° in January. About 41 inches of rain fall in a normal year.
Normals 1991–2020 and records since 1943 at Braddock Lock 2, 7 miles west, 320 ft lower. NOAA, through RCC-ACIS.
