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Inland Waters
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Pennsylvania Spatial Data Access (PASDA)
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281. Chesapeake Bay basin major watersheds
1996. Penn State ORSER/ERRI. Major watershed boundaries for the Chesapeake Bay basin.
282. Chesapeake Bay region state boundaries
1996. Penn State ORSER/ERRI. Boundaries for the states in the Chesapeake Bay region.
283. Coastal Floodplains: Pennsylvania
1996. Penn State ORSER/ERRI. Coastal floodplains from LLRWS data.
284. Floodplains of Pennsylvania
1996. Office of Remote Sensing for Earth Resources, Penn State University. In an effort to expedite the permit review process for Water Obstruction and Encroachment Applications, the Pennsylvania Department of Environmenta...
285. Major Rivers: Pennsylvania
1996. Environmental Resources Research Institute. Major rivers as derived from Pennsylvania Dept. of Transportation's streams database, which is organized by county.
286. Scenic Rivers: Pennsylvania
1996. Environmental Resources Research Institute. State designated scenic rivers.
287. Spring Creek Watershed streams: Pennsylvania
1996. Environmental Resources Research Institute. Streams within the Spring Creek Watershed.
288. Topographic Contours: Philadephia, Pennsylvania
1996. Water Department - Information Systems & Technology. Planimetric Coverage containing the delineation of topographic contours. Annotation of Contour Line elevations exists. Annotation viewable at 1' = ...
289. Boundary of Conneaut Lake: Pennsylvania
1993. Loree Speedy, Western Pennsylvania Conservancy. Boundary of Conneaut Lake, Crawford County, Pennsylvania. This polyline does not include the many docks that extend into the lake.
290. Council Districts: Philadephia, Pennsylvania
1990. City Planning Commission (PCPC) Department - GIS Division. District boundaries of municipal legislators.