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47. Hospices: Pennsylvania

2016. Steve Rosenberry. Pennsylvania hospices from the Department of Health's quality assurance database. Current as of 8/27/2012.

48. Hydrology Areas: Allegheny County, Pennsylvania

2016. Allegheny County Division of Computer Services Geographic Information Systems Group. Rivers, Lakes, Ponds, Reservoirs, Hidden Lakes, Reservoirs or Ponds: If greater than 25 feet and less than 30 feet wide, is captured as a double li...

49. Hydrology Lines: Allegheny County, Pennsylvania

2016. Allegheny County Division of Computer Services Geographic Information Systems Group. Rivers, Lakes, Ponds, Reservoirs, Hidden Lakes, Reservoirs or Ponds: If greater than 25 feet and less than 30 feet wide, is captured as a double li...

50. Impervious Surfaces: Philadephia, Pennsylvania

2016. City of Philadelphia. Planimetric Coverage containing the delineation of all impervious surfaces for studying and calculating drainage runoff. Objects are closed off at ...