Woodrow Wilson National Fellowship Foundation Science Institute
History of Coal and its Use
Abandoned Coal Mines: A Major Environmental Problem In Pennsylvania
ACID MINE DRAINAGE
Highwalls
Open Shafts
Subsidence
Low Water Tables
Fires
Toxic Gases
What is GIS?
My GIS Project for the Torch Institute
Great GIS Sites
Areas that were once mined in Pennsylvania
Email: bfisher@usaor.net
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