Shirley Run is a 5.90 mi (9.50 km) long 3rd order tributary to Thompson Creek in Crawford County, Pennsylvania.

Shirley Run Tributary to Thompson Creek
Location of Shirley Run mouth Show map of Pennsylvania Shirley Run (Thompson Creek tributary) (the United States) Show map of the United States
Location
Country	United States
State	Pennsylvania
County	Crawford Warren
Physical characteristics
Source	Three Bridge Run divide
• location	about 2 miles northeast of Vrooman, Pennsylvania at "Blue Swamp"
• coordinates	41°44′43″N 079°36′37″W[1]
• elevation	1,592 ft (485 m)[2]
Mouth	Thompson Creek
• location	Shelmandine Springs, Pennsylvania
• coordinates	41°40′51″N 079°40′04″W[1]
• elevation	1,360 ft (410 m)[3]
Length	5.90 mi (9.50 km)[4]
Basin size	11.61 square miles (30.1 km2)[5]
Discharge
• location	Thompson Creek
• average	22.54 cu ft/s (0.638 m3/s) at mouth with Thompson Creek[5]
Basin features
Progression	south-southwest[4]
River system	Allegheny River
Tributaries
• left	unnamed tributaries
• right	Dolly Run
Bridges	Harrison Road, Mageetown Road, Cloverdale Road, PA 89, Thompson Run Road

Course

Shirley Run rises about 2 miles northeast of Vrooman, Pennsylvania, in Blue Swamp at the Warren County line and then flows south-southwest to join Thompson Creek at Shelmandine Springs.[3]

Watershed

Shirley Run drains 11.66 square miles (30.2 km²) of area, receives about 45.6 in/year of precipitation, has a wetness index of 450.87, and is about 52% forested.[5]

See also

• List of rivers of Pennsylvania

References

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