Cenozoic Era in Prince William County. VA

Research your local area for the geology from the era you have chosen. You should do research using the web and text sources and sources such as the USGS or the Virginia Mineral Resource Division. https://www.usgs.gov/products/publications/official-usgs-publications https://wvvvv.dmme.virginia.govhttp://csmgeo.csm.jmu.edu/geollabNageol/vahist//DGMR/divisiongeologymineralresources.sh http://geology.blogs.wm.edu/