![](http://www.alamy.com/thumbs/6/24DE641E-FD7F-4182-A08E-0DFDFF09E7A8/E5P69T.jpg)
Ryerson Station, Pennsylvania - A natural gas pipeline marker in the hills of southwestern Pennsylvania at sunset.
Size: 3604px × 5408px
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, line, marker, natural, pennsylvania, pipe, pipeline, rural, states, sun, sunset, united, usa, vertical, warming, warn, warning