DATE. Happel’s Meadow Wetland Management Plan. Management Plan Happel’s Meadow Wetlands – Washington Township 11798 Buchanan Trail E., Waynesboro, PA 17268. Phone: (717) 762-3128
Agricultural Resources of Pennsylvania, c. 1700-1960
Great Valley Historical Agricultural
Region, 1750 to 1960.
https://www.phmc.state.pa.us/portal/communities/agriculture/files/context/great_valley.pdf
A NATURAL AREAS INVENTORY
https://www.naturalheritage.state.pa.us/CNAI_PDFs/Franklin%20County%20NAI%202004.pdf
https://archive.org/details/usda-soil-survey-of-franklin-county-pennsylvania-1938/page/5/mode/1up
https://archive.org/details/usda-soil-survey-of-franklin-county-pennsylvania-1975