Unknown. No maker of stream markers has been determined
Typical double-sided stream marker on top-mount post
Marker was missing, along with the Zelienople marker. This marker appeared at the borough maintenance garage, and is in the possession of KMT for repainting and reinstallation.
Undated photo by Denny Pine
September 2016 photo by Mike Wintermantel
US 19 at the north end of Zelienople