Monongahela

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481	PDF Document Add to Reading List Source URL: pubs.usgs.gov Language: English - Date: 2002-02-13 05:29:20 Geology of Pennsylvania Geology of West Virginia Economic geology Coal mining Coal Fuels Pittsburgh coal seam Pittsburgh Monongahela River Geography of Pennsylvania Geography of the United States Pennsylvania
482	PDF Document Add to Reading List Source URL: files.asme.org Language: English - Date: 2005-04-26 13:18:48 Port Authority of Allegheny County Monongahela Incline Duquesne Incline Samuel Diescher John Endres Mount Washington Cable railway Pittsburgh Canal inclined plane Pennsylvania Transport Track gauge
483	PDF Document Add to Reading List Source URL: www.fs.fed.us Language: English - Date: 2009-05-20 04:15:46 Laurel Fork Laurel Fork North Wilderness West Virginia Monongahela National Forest Laurel Fork South Wilderness
484	PDF Document Add to Reading List Source URL: www.blackwaterfalls.com Language: English - Date: 2011-10-05 11:04:41 Trace West Virginia Blackwater Falls State Park Monongahela National Forest
485	PDF Document Add to Reading List Source URL: wdr.water.usgs.gov Language: English - Date: 2010-04-15 10:37:28 Monongahela River Cirque du Soleil Geography of Pennsylvania Geography of the United States Pennsylvania