Grindstone Run is a small tributary of Slippery Rock Creek in western Pennsylvania. The stream rises in eastern Lawrence County flows northwest into Slippery Rock Creek in McConnells Mill State Park.

See also

References

  1. ^ a b "GNIS Detail - Grindstone Run". geonames.usgs.gov. US Geological Survey. Retrieved 18 August 2019.
  2. ^ a b "New Castle Topo Map, Lawrence County PA (New Castle North Area)". TopoZone. Locality, LLC. Retrieved 18 August 2019.
  3. ^ "ArcGIS Web Application". epa.maps.arcgis.com. US EPA. Retrieved 18 August 2019.
  4. ^ a b "Grindstone Run Watershed Report". Waters Geoviewer. US EPA. Retrieved 18 August 2019.


Allikas: https://en.wikipedia.org/wiki/Grindstone_Run_(Slippery_Rock_Creek_tributary)
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