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You searched for: Author Environmental Resources Research Institute Remove constraint Author: Environmental Resources Research Institute Access Public Remove constraint Access: Public Subject Inland Waters Remove constraint Subject: Inland Waters Subject Boundaries Remove constraint Subject: Boundaries Collection Pennsylvania Spatial Data Access (PASDA) Remove constraint Collection: Pennsylvania Spatial Data Access (PASDA)
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1. 104 State Water Plan Watersheds: Pennsylvania

1998. Environmental Resources Research Institute. Digitized boundaries of 104 major watersheds defined in the Pennsylvania state water plan. The State Water Plan, originally developed in the 1970s,...

2. Small Watersheds: Pennsylvania

1997. Environmental Resources Research Institute. Boundaries of 9,895 watersheds in Pennsylvania indicated in the Pennsylvania gazeteer of streams. These boundaries enclose catchment areas for name...