- COORDINATES: 40.287298, -75.873311 approximate location of where this marker is to be installed. Original location is unknown.
- COUNTY: Intended for installation in Berks Co.
- MANUFACTURER: This marker has remants of the "CARLISLE FOUNDRY" name on the bottom part of one side. This is the first known instance of a maker's mark on one of these double-sided stream name markers.
- STATUS: Found for sale on a Facebook page, and purchased by KMT. Original location is unknown. There is an Allegheny Creek in Berks County and another in Northampton County. After refinishing this marker MAY be installed at the Allegheny Aqueduct Park in Berks County, which spans Allegheny Creek. Refinished by KMT July 2020.

2020 photo by JGI.

July 2020 photo by J. Graham

Dec. 2019 photo of the aqueduct by J. Graham
Marker refinished by KMT, and presented to the Berks County PA Parks Dept. It will eventually be installed at the Allegheny Aqueduct park in Gibraltar PA.
. The aqueduct was built in 1824 and is a remnant of the Schuylkill Canal, one of many such canals that crossed the state circa 1820-1855. The aqueduct allowed the canal boats to cross over Allegheny Creek.