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| View Original: | Pottsville Formation Worlds End.jpg (1024x680) | |||
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| Keywords: Pottsville Formation Worlds End.jpg Pottsville Formation in a rock city at Worlds End State Park Pennsylvania Sandstone and conglomerate Rock hammer for scale Taken 2006 2010-03-16 Own Jstuby wikipedia en Jstuby Original upload log page en wikipedia Pottsville_Formation_Worlds_End jpg 2010-03-16 03 22 Jstuby 1024×680 220298 bytes <nowiki>Pottsville Formation in a rock city at Worlds End State Park Pennsylvania Sandstone and conglomerate Rock hammer for scale Taken 2006 </nowiki> Landforms of the United States Sandstone Shale Geology of the United States Geologic formations Geology of Pennsylvania Siltstone Geology of West Virginia Stratigraphy Rock hammer Rocks with objects for scale | ||||
