clairton coke works, clairton, pennsylvania
       
     
 coal barge on the monongahela river
       
     
 edgar thompson works, braddock, pennsylvania
       
     
 carrie furnace, rankin, pennsylvania.  part of the homestead steel works, it was decommissioned in 1982.
       
     
 quenching at the shenango coke works, neville island, pittsburgh, pennsylvania.
       
     
 elrama power plant, elizabeth, pennsylvania, decommissioned 2012.
       
     
 wind farm, near altoona, pennsylvania.
       
     
 edgar thompson steel works, braddock, pennsylvania
       
     
 i-376 parkway east, pittsburgh, pennsylvania
       
     
 homer city generating station, near homer city, pennsylvania, a coal-burning power plant about 50 miles east of pittsburgh
       
     
 bruce mansfield coal-fired power plant, shippingport, pennsylvania
       
     
 bruce mansfield coal-fired power plant, shippingport, pennsylvania, about 30 miles north-west of pittsburgh
       
     
 cheswick coal-fired generating station, springdale, pennsylvania, sits in the valley below springdale high school (left)
       
     
 windmills near berlin, pennsylvania, about 80 miles south-east of pittsburgh
       
     
 the shenango coke works on neville island, pittsburgh, pennsylvania
       
     
 a freight train carrying coal through pittsburgh
       
     
 a tank car rumbles past a derailed freight train, hazelwood
       
     
 a tank car carrying crude oil near sewickley, pa
       
     
 clairton coke works, clairton, pennsylvania
       
     

clairton coke works, clairton, pennsylvania

 coal barge on the monongahela river
       
     

coal barge on the monongahela river

 edgar thompson works, braddock, pennsylvania
       
     

edgar thompson works, braddock, pennsylvania

 carrie furnace, rankin, pennsylvania.  part of the homestead steel works, it was decommissioned in 1982.
       
     

carrie furnace, rankin, pennsylvania.  part of the homestead steel works, it was decommissioned in 1982.

 quenching at the shenango coke works, neville island, pittsburgh, pennsylvania.
       
     

quenching at the shenango coke works, neville island, pittsburgh, pennsylvania.

 elrama power plant, elizabeth, pennsylvania, decommissioned 2012.
       
     

elrama power plant, elizabeth, pennsylvania, decommissioned 2012.

 wind farm, near altoona, pennsylvania.
       
     

wind farm, near altoona, pennsylvania.

 edgar thompson steel works, braddock, pennsylvania
       
     

edgar thompson steel works, braddock, pennsylvania

 i-376 parkway east, pittsburgh, pennsylvania
       
     

i-376 parkway east, pittsburgh, pennsylvania

 homer city generating station, near homer city, pennsylvania, a coal-burning power plant about 50 miles east of pittsburgh
       
     

homer city generating station, near homer city, pennsylvania, a coal-burning power plant about 50 miles east of pittsburgh

 bruce mansfield coal-fired power plant, shippingport, pennsylvania
       
     

bruce mansfield coal-fired power plant, shippingport, pennsylvania

 bruce mansfield coal-fired power plant, shippingport, pennsylvania, about 30 miles north-west of pittsburgh
       
     

bruce mansfield coal-fired power plant, shippingport, pennsylvania, about 30 miles north-west of pittsburgh

 cheswick coal-fired generating station, springdale, pennsylvania, sits in the valley below springdale high school (left)
       
     

cheswick coal-fired generating station, springdale, pennsylvania, sits in the valley below springdale high school (left)

 windmills near berlin, pennsylvania, about 80 miles south-east of pittsburgh
       
     

windmills near berlin, pennsylvania, about 80 miles south-east of pittsburgh

 the shenango coke works on neville island, pittsburgh, pennsylvania
       
     

the shenango coke works on neville island, pittsburgh, pennsylvania

 a freight train carrying coal through pittsburgh
       
     

a freight train carrying coal through pittsburgh

 a tank car rumbles past a derailed freight train, hazelwood
       
     

a tank car rumbles past a derailed freight train, hazelwood

 a tank car carrying crude oil near sewickley, pa
       
     

a tank car carrying crude oil near sewickley, pa