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You searched for: Publisher Allegheny County, Pennsylvania Remove constraint Publisher: Allegheny County, Pennsylvania Subject Inland Waters Remove constraint Subject: Inland Waters Institution Penn State Remove constraint Institution: Penn State Place Pennsylvania, United States Remove constraint Place: Pennsylvania, United States Time Period 2000-2004 Remove constraint Time Period: 2000-2004
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Watersheds: Allegheny County, Pennsylvania

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