The Highlands Critical Resources and Teasured Landscapes, PDF, Rock (Geology)
PFBC 2007 Biologist Report - Lackawanna Lake Panfish
Lake Ontelaunee - Wikipedia
Schuylkill River Project
2003 Biologist Report - Lake Ontelaunee
2003 Biologist Report - Woodcock Creek Lake
Lake Ontelaunee - 1937 & now - Berks Nostalgia
2003 Biologist Report - Tuscarora Lake
2003 Biologist Report - Upper Promised Land Lake