InfiltrationTrees and
Water CyclingWetlandsWhat
is a Watershed?
Allegheny Watershed Papers
Natural Systems:
Infiltration
Trees and
Water Cycling
Wetlands
What
is a Watershed?
Human Impacts:
Dredging
Spreadsheet:
Sewage
and Septic in Western Pennsylvania.pdf
Maps
AMD
Map (No Fish, Some Fish)
Coal Fields
in PA
Oil and Gas
in PA
Limestone
Formations in PA
Sonar Image
Locks and
Dams of the Allegheny
GIS Case Study: Oil City
Oil
City At 40,000 feet.pdf
Oil City
At 6,000 feet.pdf
Oil City
At 400 feet.pdf
Photographic Credits
Allegheny
Site
Monongahela Site
Reports
1996
WV 303d list
1998
WV 303d list
1998
WV 305b report
2000
WV 305b report
Cheat
Report
Cheat
TMDL report
Tygart
TMDL report
Youghiogheny
report
Timeline
Resources
Timeline
Footnotes
Timeline
Image Credits
We welcome your comments and questions! Send mail to the Pennsylvania Environmental Council Western PA Office.