This photo was taken during a visit to Centralia, PA, on September 24, 2010.  The view is from one of the former streets of this former town, looking northeast towards the mountains.

To view information about Pennsylvania's wind farms, please visit: http://www.pennfuture.org/clean-energy

From the Ridley Creek State Park website:  "Ridley Creek State Park encompasses over 2,606 acres of Delaware County woodlands and meadows. The gently rolling terrain of the park, bisected by Ridley Creek, is only 16 miles from center city Philadelphia. Within the park boundaries was a small 18th century village, which grew up around the site of a mill. Now known as Sycamore Mills, the area had been previously named Bishop’s Mill and Providence Mill. The miller’s house, the office and library, and several small mill workers’ dwellings are currently used as private residences. The park area has been designated as the Ridley Creek State Park Historic District on the National Register of Historic Places. Park property was purchased in the 1960s with Project 70 funds, and developed with Land and Water Conservation Fund moneys. Park facilities were dedicated to public use in August of 1972."

This image, taken on a rainy day, is the stream bed of Rocky Run, with approximately one foot of the channel anchored with plant roots exposed, at Tyler Arboretum in Media, PA.

The "ghost town" that even lost its zip code, Centralia still fascinates Earth scientsits and non-scientists alike with the underground fire that still burns to this day.  At times, plumes of smoke can still be seen coming from the ground.