Quartzite rock, flowering ground cover, East Mount Zion site, York County, Pennsylvania
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.
Related
Evaluation of Radon in Groundwater and Indoor Air in Pennsylvania
Existing groundwater and indoor air radon-222, hereafter referred to as "radon", concentrations were aggregated and evaluated for 16 geologic units throughout the state of Pennsylvania to provide a better understanding of potential human exposure to radon.
Related
Evaluation of Radon in Groundwater and Indoor Air in Pennsylvania
Existing groundwater and indoor air radon-222, hereafter referred to as "radon", concentrations were aggregated and evaluated for 16 geologic units throughout the state of Pennsylvania to provide a better understanding of potential human exposure to radon.