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Date: 2003-05-27 13:48:33Geography of Pennsylvania Geography of the United States Allegheny Plateau Wild and Scenic Rivers of the United States Allegheny River Hydrology Monongahela National Forest Monongahela River Ohio River Streamflow Youghiogheny River Tionesta Creek | U.S. Department of the Interior U.S. Geological Survey Water Resources Data Pennsylvania Water Year 2002Add to Reading ListSource URL: pa.water.usgs.govDownload Document from Source WebsiteFile Size: 3,46 MBShare Document on Facebook |