Editing Jefferson County, Pennsylvania (section)

===Streams===
There are many named [[Streams in Jefferson County, Pennsylvania|streams]] flowing through Jefferson County, far too many to list here. An exhaustive list is presented in a [[Streams in Jefferson County, Pennsylvania|separate article]]. All those streams eventually flow to the [[Allegheny River]] except for Bear Run, {{convert|1.36|mi2|km2}}, in the southeast which flows into the [[Susquehanna River]]. The principal streams and the area of their watersheds that lie within the county are:
* [[Clarion River]]: {{convert|130.50|mi2|km2}}
** Little Toby Creek: {{convert|34.46|mi2|km2}}
** Clear Creek: {{convert|20.12|mi2|km2}}
** Cathers Run: {{convert|15.69|mi2|km2}}
** Mill Creek: {{convert|30.70|mi2|km2}}
* [[Redbank Creek (Pennsylvania)|Redbank Creek]]: {{convert|375.52|mi2|km2}}
** [[North Fork Creek]]: {{convert|91.63|mi2|km2}}
*** Clear Run: {{convert|9.79|mi2|km2}}
*** Pekin Run: {{convert|10.12|mi2|km2}}
** [[Sandy Lick Creek]]: {{convert|143.98|mi2|km2}}
*** Wolf Run: {{convert|18.19|mi2|km2}}
*** Soldier Run: {{convert|11.09|mi2|km2}}
*** Trout Run: {{convert|10.74|mi2|km2}}
*** Mill Creek: {{convert|53.69|mi2|km2}}
*** Fivemile Run: {{convert|17.55|mi2|km2}}
*** Falls Creek: {{convert|11.39|mi2|km2}}
** [[Little Sandy Creek (Redbank Creek tributary)|Little Sandy Creek]]: {{convert|70.65|mi2|km2}}
* [[Mahoning Creek (Allegheny River tributary)|Mahoning Creek]]: {{convert|149.63|mi2|km2}}
** East Branch Mahoning Creek: {{convert|15.27|mi2|km2}}
** Stump Creek: {{convert|14.86|mi2|km2}}
** Big Run: {{convert|19.41|mi2|km2}}
** Canoe Creek: {{convert|11.57|mi2|km2}}
** Elk Run: {{convert|13.20|mi2|km2}}
** Pine Run: {{convert|18.88|mi2|km2}}