Quartzite rock, flowering ground cover, East Mount Zion site, York County, Pennsylvania
![photograph of gray rock with embedded pebbles sitting in a bed of green and red leaves and blue flowers](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/IMG_0075r.png?itok=7zBAmK4u)
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.