![](http://www.alamy.com/thumbs/6/ADD345ED-F801-4A0F-B41A-4BB57B1F5792/E5P69P.jpg)
Ryerson Station, Pennsylvania - A natural gas pipeline marker in the hills of southwestern Pennsylvania at sunset.
Size: 5007px × 3338px
Location: Ryerson Station, Pennsylvania USA
Photo credit: © Jim West / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: america, caution, change, climate, danger, energy, environment, farm, fossil, fuel, gas, global, hazard, horizontal, line, marker, natural, pennsylvania, pipe, pipeline, rural, states, sun, sunset, united, usa, warming, warn, warning