Appalachian Mountain Club, Delaware Valley Chapter
Bicycle Coalition of Greater Philadelphia
Chestnut Hill Community Association
Chestnut Hill Historical Society
Philadelphia Parks & Recreation
Geologic Tour of Wissahickon Creek
Schuylkill Center for Environmental Education
Schuylkill River National & State Heritage Corridor
“We All Live Downstream” Watershed Protection Programs
Wissahickon Environmental Center at Andorra Natural Area