James I. Sams

Subjects

Acid mine drainage, Coal mines and mining, Environmental aspects, Environmental aspects of Coal mines and mining, Sulfates, Water quality, Pollution, Sulphates, Water

Places

Allegheny River Watershed (Pa. and N.Y.), Monongahela River Watershed (W. Va. and Pa.), Pennsylvania, Allegheny River Watershed (Pa. and N.Y.)., Monongahela River Watershed (W. Va. and Pa.)., Youghiogheny River Valley, Youghiogheny River Watershed