Geologists measuring and sampling the Paleocene Aquia Formation, Prince George’s County, Maryland
![two people measuring a rock outcrop, one is on a ladder](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/TC%20IMG_3586.jpg?itok=FwlScQht)
Detailed Description
USGS geologists Jean Self-Trail and Mercer Parker measuring and sampling the Paleocene Aquia Formation, Prince George’s County, Maryland
Sources/Usage
Public Domain.