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Allegheny Mountain (Pennsylvania) facts for kids

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Allegheny Mountain
Allegheny Ridge
Allegheny Mountain Tunnel.JPG
Allegheny Mountain Tunnel on the Pennsylvania Turnpike
Highest point
Peak Grandview Summit (Eastern Continental Divide)
Elevation 3,010.3 ft (917.5 m)
Allegheny Mountain is located in Pennsylvania
Allegheny Mountain
Allegheny Mountain
Location in Pennsylvania
Country United States
Parent range Ridge-and-Valley Appalachians of the Allegheny Mountains
Orogeny Alleghenian orogeny
Type of rock Carboniferous

Allegheny Mountain is a stratigraphic ridge that extends northeast to southwest from south of Blue Knob (Pennsylvania) to a saddle point at the Savage Mountain anticline. It merges with Negro Mountain just north of the Cambria County line where the Berlin-Salisbury basin expires [1].

Eastern Continental Divide (ECD)
The ECD enters Allegheny Mountain south of Fraziers Pass and follows the Allegheny Backbone [2] southwest where it leaves the escarpment toward the saddle point to the southeast between headwaters of Flaugherty and Wills Creeks, at which the ECD enters the Savage Mountain anticline.[3]
Ridge and valley elevations (north-to-south)
(Points on the Eastern Continental Divide are shown in italics.)
wikiarticle west valley summit or other point east valley
Northern terminus
Fraziers Pass 2,180 feet (660 m) (Stonycreek River) 3,010.3 feet (917.5 m)40°3′29″N 78°45′29″W / 40.05806°N 78.75806°W / 40.05806; -78.75806 (Grandview Summit) 1,100 feet (340 m) (Juniata River)
US Route 30 2,580 feet (790 m) (Breastwork Run)
summit 2,801 feet (854 m)39°58′38″N 78°50′16″W / 39.97722°N 78.83778°W / 39.97722; -78.83778 (summit)
summit 2,795 feet (852 m)39°57′48″N 78°50′50″W / 39.96333°N 78.84722°W / 39.96333; -78.84722 (summit)
Pennsylvania Turnpike 2,220 feet (680 m) (Stonycreek River) 2,690 feet (820 m)39°57′41″N 78°51′24″W / 39.96139°N 78.85667°W / 39.96139; -78.85667 (summit) Allegheny Mountain Tunnel
Chambersburg and Pittsburgh Survey 2,580 feet (790 m)39°57′13″N 78°50′32″W / 39.95361°N 78.84222°W / 39.95361; -78.84222 (Deeter Gap)
Raystown Branch Juniata River Buffalo Creek 2,889.6 feet (880.8 m)39°54′48″N 78°53′16″W / 39.91333°N 78.88778°W / 39.91333; -78.88778 (triple watershed) 1,260 feet (380 m) (Little Wills Creek)
Savage Mountain PA 2,667 feet (813 m)39°53′11″N 78°44′10″W / 39.88639°N 78.73611°W / 39.88639; -78.73611
Allegheny Backbone 2,830 feet (860 m)39°49′25″N 78°58′10″W / 39.82361°N 78.96944°W / 39.82361; -78.96944 (summit) southmost ECD summit on Allegheny Mountain (Pennsylvania) escarpment
Baltimore & Ohio Railroad 1,940 feet (590 m) Casselman River @ Flaugherty Creek 2,430 feet (740 m)39°48′30″N 78°57′27″W / 39.80833°N 78.95750°W / 39.80833; -78.95750 (saddle point) 900 feet (270 m) Wills Creek @ Little Wills Creek
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