Pennsylvania. Philadelphia: Temple University Press, 1989. (A cooperative
project of the three Commonwealth Research Universities: Temple University,
University of Pittsburgh, Pennsylvania State University)
1907-1964. Lost Woods: The discovered writing of Rachel Carson.
The Concord Library. Boston, MA.: Beacon Press, 1998.
W.C. History of the Monongahela Street Railway Company and history
of the East Pittsburgh and Wilmerding Street Railway Company and the
Wilkinsburg and East Pittsburgh Street Railway Company. Harrisburg,
James M. Robert Fulton: Inventor and Steamboat Builder. Historical
American biographies. Berkeley Heights, N.J.: Enslow Publishers, c1999.
Collecting in the Pittsburgh Area. Pittsburgh, PA.: Pittsburgh Geological
1957. Tin Stackers: The History of the Pittsburgh Steamship Company.
Detroit, MI.: Wayne State University Press, c 1999.
Willard, ed. A Geography of Pennsylvania. University Park, PA:
Pennsylvania State University Press, 1995.
Parker, Arthur. The Monongahela: River of Dreams, River of Sweat. University
Park, PA: Pennsylvania State University Press, 1999.
Story of the Greatest Flood of the Century, March 17 19, 1936.
Pittsburgh, PA.: Harry M. Hamm, 1936.
M. Three Golden Rivers. Pittsburgh, PA.: University of Pittsburgh
and Schafer, Jim. The Allegheny River: Watershed of the Nation.
University Park, PA: Pennsylvania State University Press, 1992.
of Pennsylvania. Harrisburg, PA.: PA Geological Society; Pittsburgh,
PA.: Pittsburgh Geological Society, 1990.
John S. The old and new Monongahela. Pittsburgh, PA.: Nicholson,
Geology and Geography
Geological History of Pittsburgh - Fossils: Formation of coal and mountains
and landscape of Pittsburgh (Microsoft Expedia summary)
National Mapping Information: Home Page
at Penn State
Rivers and Dams by the Army Corps of Engineers
Traffic Page From the Ohio County (WV) Public Library Collection
your watershed at the Environmental Protection Agency: Lower Mon
your watershed at the Environmental Protection Agency: Lower Allegheny
your watershed at the Environmental Protection Agency:Upper Ohio
PA Hydrologic Services Area
about rivers: links toweb pages with information on rivers, bibliography
about rivers, and links to classes who are studying rivers
Rivers in Western Pennsylvania (water levels)
From Source to Sea
Along a River
River's National Wild and Scenic River Designation
Rivers Network: About Rivers and Dams
Riverfront Development Plan
the C&O Canal
Steamboat (poem) by Oliver Wendell Holmes (1809 - 1894)
of the Pennsylvania Railroad
Legacy of Inclines
Incline: Directions, hours, history and visitor information
Duquesne Incline and other Pittsburgh Inclines
Duquesne Incline and Chronology of Pittsburgh Inclines
Transit in Pittsburgh: Incline Railways
Trolley and light
Transit in Pittsburgh: Light Rail
Pennsylvania Turnpike Site: History
Turnpike Tunnels and Bridges
Turnpike at Breezewood
Turnpike History Americas Super Highway
Road Route 40 Web Site
Markers: The Allegheny County Belt System
Markers: Path of Progress
Markers: Pittsburgh Wayfinder System
Peek - A fascinating look at mid-20th century American roadside
Museum of Natural History
Authority of Allegheny County
Bicycling and rail
OF THE RIVERFRONT-Three Rivers Heritage Trail
Trail Alliance - the Pittsburgh to Cumberland Trail - walking, hiking,
Town Trail, Indiana and Cambria Counties (goes through old coal towns)
Rails to Trails Home Page
Keystone Biking - Mountain Bike Resource for Pennsylvania
Rails to Trails