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Quartzite rock, flowering ground cover, East Mount Zion site, York County, Pennsylvania

By Pennsylvania Water Science Center
photograph of gray rock with embedded pebbles sitting in a bed of green and red leaves and blue flowers
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Detailed Description

Boulder of Hellam Conglomerate member of the Chickies Quartzite at East Mount Zion Superfund Site, York County, Pennsylvania. (Lisa Senior, USGS)

Sources/Usage

Public Domain.