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Jim Wilson made a great presentation to the Watershed Coalition of the Lehigh Valley. You can view it on Facebook at: The Mysteries of Constructed Stone Landscapes.
Jim Wilson adds: "I would like to correct an error in my presentation. It was local avocational archeologist Ed Henning who was the champion of, and deserves the credit for the recording of the Pocono Creek Watershed CSL in Monroe County with the PA State Historic Preservation Office. I mistakenly cited Ed Lenik in my talk. My apologies to Mr. Henning for that misattribution."
A Powerpoint presentation on the Hemlock Murray Chambers.