Chestnut Ridge

Chestnut Ridge (HM1GBO)

Location: Connellsville, PA 15425 Fayette County
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Country: United States of America
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N 40° 1.334', W 79° 36.208'

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Inscription

Named for trees that have disappeared

The Youghiogheny River has cut a winding gorge through the Chestnut Ridge, the western-most uplift of the Appalachian Mountains. The tall ridges bordering the river are heavily forested but lack the tree species for which the ridge is names: the American Chestnut.



The American Chestnut was a large, dominant tree of our eastern forests. It succumbed to an Asian fungal pestilence called "chestnut blight." The blight was first observed in New York City in 1904, and it spread rapidly throughout the distribution of the tree. By the early 1950's, even the most remote stands of chestnuts had become infected. The fungus blocks nutrient transport in infected trees causing the above ground tissues to die. The roots, however, are not affected and are able to re-sprout. These newly sprouted stems can grow several ears but will eventually become infected by the fungus and die back to roots.



The chestnut and Laurel Ridges are at the western edge of the Allegheny Mountains, part of the Appalachian Mountain chain. The Youghiogheny River is older than these mountains and has been cutting through Chestnut Ridge and Laurel Ridge since they rose up 300 million years ago. This rugged topography was a formidable barrier to 18th century pioneers.



A healthy American Chestnut Tree. For more information, check out the American Chestnut Foundation at www.act.org [sic]. Photo: American Chestnut Foundation.



Virgin American Chestnut Trees, circa 1911. The American Chestnut grew to be a very large tree, up to 70 to 90 feet in height and, on average, three to four feet in diameter. Photo: Forest History Society.



Great Allegheny Passage. For more information: www.gaptrail.org

Details
HM NumberHM1GBO
Tags
Placed BySouthwestern PA Heritage Preservation Commission, Allegheny Trail Alliance, Regional Trail Corporation
Marker ConditionNo reports yet
Date Added Tuesday, September 23rd, 2014 at 1:54pm PDT -07:00
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Locationbig map
UTM (WGS84 Datum)17T E 619171 N 4431158
Decimal Degrees40.02223333, -79.60346667
Degrees and Decimal MinutesN 40° 1.334', W 79° 36.208'
Degrees, Minutes and Seconds40° 1' 20.04" N, 79° 36' 12.48" W
Driving DirectionsGoogle Maps
Area Code(s)724
Closest Postal AddressAt or near 67 Great Allegheny Passage (North), Connellsville PA 15425, US
Alternative Maps Google Maps, MapQuest, Bing Maps, Yahoo Maps, MSR Maps, OpenCycleMap, MyTopo Maps, OpenStreetMap

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