North Branch Calvin Run
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| North Branch Calvin Run Tributary to Calvin Run | |
|---|---|
  Location of North Branch Calvin Run mouth  North Branch Calvin Run (the United States) | |
| Location | |
| Country | United States |
| State | Pennsylvania |
| County | Greene County |
| Physical characteristics | |
| Source | Whiteley Creek divide |
| • location | about 2 miles southeast of Kirby, PA[1] |
| • coordinates | 39°47′21″N 080°05′16″W / 39.78917°N 80.08778°W[2] |
| • elevation | 1,200 ft (370 m)[1] |
| Mouth | Calvin Run |
• location | about 2 miles northwest of Mount Morris, Pennsylvania[1] |
• coordinates | 39°45′38″N 080°05′01″W / 39.76056°N 80.08361°W[2] |
• elevation | 955 ft (291 m)[2] |
| Length | 2.47 mi (3.98 km)[3] |
| Basin size | 1.74 square miles (4.5 km2)[4] |
| Discharge | |
| • location | Calvin Run |
| • average | 2.54 cu ft/s (0.072 m3/s) at mouth with Calvin Run[4] |
| Basin features | |
| Progression | generally south[3] |
| River system | Monongahela River |
| Tributaries | |
| • left | unnamed tributaries |
| • right | unnamed tributaries |
| Bridges | Stone House Road, North Branch Road (x2) |
North Branch Calvin Run is a 2.47 mi (3.98 km) long first-order tributary to Calvin Run in Greene County. This is the only stream of this name in the United States.[2]
North Branch Calvin Run rises about 2 miles southeast of Kirby, Pennsylvania and then flows southerly to join Calvin Run about 2 miles northwest of Mount Morris, Pennsylvania.[1]
