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