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41. Integrated List Non Attaining: Pennsylvania

2018. Office of Water Management, Bureau of Water Supply & Wastewater Management, Water Quality Assessment and Standards Division. This layer shows only non-attaining segments of the Integrated List. The Streams Integrated List represents stream assessments in an integrated for...

42. Juniata Subbasin: Pennsylvania

2006. SRBC. Polygon shapefile of the Juniata Subbasin. This file was created from the 2006 subbasin.shp SRBC dataset.

43. Lower Susquehanna Subbasin: Pennsylvania

2006. SRBC. Polygon shapefile of the Lower Susquehanna Subbasin. This file was created from the 2006 subbasin.shp SRBC dataset.

44. Major River Basins: Pennsylvania

1998. Environmental Resources Research Institute. This polygon layer delineates the boundaries of 8 major watersheds in Pennsylvania that have shown through past vertebrate inventory collection rec...

45. 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.

46. Major Watersheds of the Susquehanna River Basin

2006. SRBC. Polygon shapefile that includes the major watersheds of the Susquehanna River Basin (2006 boundary). This file was created by dissolving the wshed2...

47. Middle Susquehanna Subbasin

2006. SRBC. Polygon shapefile of the Middle Susquehanna Subbasin. This file was created from the 2006 subbasin.shp SRBC dataset.

48. National Flood Hazard Layer: Adams County, Pennsylvania

2016. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...

49. National Flood Hazard Layer: Allegheny County, Pennsylvania

2016. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...

50. National Flood Hazard Layer: Armstrong County, Pennsylvania

2016. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...