Sugar Grove Petroglyphs

Description

The Sugar Grove Petroglyphs are a group of petroglyphs in the southwestern part of the U.S. state of Pennsylvania. Located on an outcrop of sandstone in Monongahela Township near the eastern edge of Greene County, the petroglyphs have been known since at least the 1930s. Due to their value as an archaeological site, the petroglyphs have been named a historic site.

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