Recorded Presentations Not in My Backyard – February 5th, 2021 Karst Geology Presentation by John Mauser and Nathan Prichard Presentation Length 1 hour 13 minutes Switzer Creek TMDL – – August 13, 2020 Scott Heidel, PADEP Presentation length: 1 hour and 8 minutes Delaware River Basin – The Framework of Law and Regulation – March 30th, 2021, Harry Boertzel, Master Watershed Steward Presentation length: 1 hour
