Mt. Pisgah / Lake Aldred / Mt. Pisgah Mt. Pisgah / York Valley / Lancaster County / Upland gorge / Conestoga Valley / Conejohela Valley / Manor Hills / Susquehanna Valley / Hellam Hills / Susquehanna River / Lake Clarke / /
Organization
PREPARED BY Department of Conservation / Conservation and Natural Resources Bureau of Topographic and Geologic Survey / /