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Find a Commonwealth ResourceLoudoun County
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 Department of Environmental Resources.This geologic…
Updated Oct 10, 2026
Loudoun County
More Metadata The Limestone Overlay District (LOD) is a zoning overlay district adopted by the Loudoun County Board of Supervisors on 2/17/2010 and administered by the Loudoun County Department of Building and…
Updated Oct 10, 2026
Loudoun County
More Metadata "Fault" is one of four layers which collectively describe the subsurface geologic formation, structural geology and surficial deposits. "Fault" is the comprehensive mapping of geologic…
Updated Oct 10, 2026
