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61. Rivers Conservation Plans for Pennsylvania

2000. Contains multiple Rivers Conservation Plans for Pennsylvania. Each folder inculdes various files with data about that particular river study area.

62. Soils: Allegheny County, Pennsylvania

2000. Allegheny County Division of Computer Services Geographic Information Systems Group. Data was created to portray the soils in Allegheny County.

63. Stone Valley Experimental Forest: Pennsylvania

2000. The Pennsylvania State University. various datasets on the Stone Valley Experimental Forest, managed by The Pennsylvania State University. Data inculdes: roads, contours, lakes, pond...

64. Topographic Change - in Philadelphia, During the Last Century

2000. United States Geological Survey. A scope of work was developed in response to a request by the U. S. Army Corps of Engineers, Philadelphia District. The request was to perform a to...

65. Urban Ecosystem Analysis Landsat interpreted land cover for the Delaware Valley

2000. American Forests. AMERICAN FORESTS conducted an urban ecosystem analysis of the Delaware Valley region to provide community leaders with detailed information about t...

66. Vulnerable Lands in the Chesapeake Bay watershed: Chesapeake Bay

2000. Chesapeake Bay Program. Multiple layers make up this complete project, all layers and pertaining documentation is included in this file. The vulnerability layer evaluates ...

67. Watersheds: Allegheny County, Pennsylvania

2000. Allegheny County Division of Computer Services Geographic Information Systems Group. Polygons marking borders of watersheds in Allegheny county.