The Pennsylvania State UniversityThis polygon layer delineates the boundaries of 8 major watersheds in Pennsylvania that have shown through past vertebrate inventory collection records to effectively separate domains for some species of animals. The basins included are Lake Erie, the Allegheny, Ohio, Monongahela, Susquehanna, Delaware, Potomac and Genessee Rivers. Purpose:FileengPennsylvania Spatial Data Access (PASDA)PublicMajor watershed boundaries for Pennsylvania conservation gap analysis [Pennsylvania]DatasetsPennsylvania