-
County
Geology of Loudoun County
Loudoun County, Virginia —
The geology of Loudoun County, Virginia, was mapped in 1988 through 1991 under a cooperative agreement between the U.S. Geological Survey (USGS) and the Loudoun... -
County
Loudoun Geologic Surficial
Loudoun County, Virginia —
More Metadata"Surficial" is one of four layers which collectively describe the subsurface geologic formation, structural geology and surficial deposits. "Surficial"... -
State
MD iMAP: Maryland Geology - Physiographic Provinces
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This data layer contains the Province-level physiographic subdivisions of... -
County
Loudoun Geologic Bedrocks
Loudoun County, Virginia —
More Metadata"Bedrock" is one of four layers which collectively describe the subsurface geologic formation, structural geology and surficial deposits. "Bedrock" is...