Keywords: Baldeagle2.JPG Ordovician Bald Eagle Formation where PA Rt 164 crosses Tussey Mountain Blair County Pennsylvania Note prominent crossbedding and lens cap for scale 2007-4-16 Own Jstuby at http //en wikipedia org en wikipedia Jim Stuby 40 17 29 4 N 78 16 05 6 W region US en wikipedia Jstuby Original upload log page en wikipedia Baldeagle2 JPG 2007-04-16 12 59 Jstuby 741×638 388006 bytes <nowiki>Close up of outcrop of the Ordovician Bald Eagle Formation where PA Rt 164 crosses Tussey Mountain Blair County Pennsylvania Note prominent crossbedding and lens cap for scale Photo taken and uploa</nowiki> Ordovician geology Geologic formations Sandstone Geology of Pennsylvania Stratigraphy |