Gillespie Run
Tributary to Youghiogheny River
Map of Gillespie Run mouth location
Map of Gillespie Run mouth location
Location of Gillespie Run mouth
Map of Gillespie Run mouth location
Map of Gillespie Run mouth location
Gillespie Run (Youghiogheny River tributary) (the United States)
Location
CountryUnited States
StatePennsylvania
CountyAllegheny
Physical characteristics
SourceBeckets Run divide
  locationabout 2 miles west-southwest of Mustard, Pennsylvania[1]
  coordinates40°13′28″N 079°51′34″W / 40.22444°N 79.85944°W / 40.22444; -79.85944[2]
  elevation1,115 ft (340 m)[1]
MouthYoughiogheny River
  location
Sutersville, Pennsylvania[3]
  coordinates
40°14′31″N 079°48′13″W / 40.24194°N 79.80361°W / 40.24194; -79.80361[2]
  elevation
738 ft (225 m)[3]
Length4.11 mi (6.61 km)[4]
Basin size8.32 square miles (21.5 km2)[5]
Discharge 
  locationYoughiogheny River
  average8.25 cu ft/s (0.234 m3/s) at mouth with Youghiogheny River[5]
Basin features
ProgressionYoughiogheny RiverMonongahela RiverOhio RiverMississippi RiverGulf of Mexico
River systemMonongahela River
Tributaries 
  leftDouglass Run
  rightunnamed tributaries
BridgesPond Lane, Guffey Road, PA 51, Scenery Drive, Pineview Drive (x4), Berdar Drive, Douglass Run Road (x2)

Gillespie Run is a 4.11 mi (6.61 km) long 3rd order tributary to the Youghiogheny River in Allegheny County, Pennsylvania.

Course

Gillespie Run rises about 2 miles west-southwest of Mustard, Pennsylvania,[1] and then flows northeasterly to join the Youghiogheny River across from Sutersville.[3]

Watershed

Gillespie Run drains 8.32 square miles (21.5 km2) of area, receives about 39.5 in/year of precipitation, has a wetness index of 318.16, and is about 62% forested.[5]

References

  1. 1 2 3 "Get Maps". USGS Topoview. US Geological Survey. Retrieved 20 November 2020.
  2. 1 2 "GNIS Detail – Gillespie Run". geonames.usgs.gov. US Geological Survey. Retrieved 20 November 2020.
  3. 1 2 3 "Get Maps". USGS Topoview. US Geological Survey. Retrieved 20 November 2020.
  4. "ArcGIS Web Application". epa.maps.arcgis.com. US EPA. Retrieved 19 November 2020.
  5. 1 2 3 "Gillespie Run Watershed Report". US EPA Geoviewer. US EPA. Retrieved 20 November 2020.
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