Canal National Historic Park / Canal National Historical Park / Stickpile Tunnel / Precambrian Blue Ridge Basement Complex / Indigo Tunnel / /
IndustryTerm
incipient rift systems / food / /
NaturalFeature
Mather Gorge / Atlantic Ocean / Great Valley / Wills Creek / Iapetus Ocean / Potomac River / Paleozoic seas / North Mountain / Appalachians / Great Rift Valley / Frederick valley / Potomac Gorge / Hagerstown valley / /
Organization
National Park Service / Geologic Research Division / Center for Urban Ecology / /
Person
David Brezinski / Michelle Gilliam / John Repetski / Rose Hill / Greg McDonald / Erica Clites / /
Position
author / Geographic Information System specialist / Harper / /
ProvinceOrState
West Virginia / Piedmont / Pennsylvania / South Carolina / Maryland / Nova Scotia / Montgomery County / Coastal Plain / Colorado / /
Region
mid-Atlantic / North American east coast / east coast / West Virginia / eastern Africa / west coast / Western Maryland / /