Bilgers Rocks in Clearfield County Pennsylvania are a geological phenomenon of massive sandstone formations nessled in the mountains of Central PA. It is called therock city by geologists. This ancient rock formation covers some 20 acres and has been preserved as a public park. Some of these giant sandstone formations tower 30-50 feet and weigh hundreds of tons | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Scott, Gregory K. |
Taille de l’image : | 2550 px × 3825 px |
Model Release : | Non requis |
Property Release : | Non requis |
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