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County
Resource Protection Areas recent views
Fairfax County, Virginia —
The Chesapeake Bay Preservation Ordinance was adopted to protect our local streams and one of the world's most productive estuaries, the Chesapeake Bay, from... -
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Marumsco Soils recent views
Fairfax County, Virginia —
Marumsco soils in Fairfax County. Marumsco soils are mapped in complexes with other soil types. The complexes are highly variable and consist of combinations of... -
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Potential Asbestos Containing Soils recent views
Fairfax County, Virginia —
Potential asbestos containing soils in Fairfax County. These soils are mapped over naturally asbestos-containing bedrock. Safety precautions must be taken during... -
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Non-Marine Clay Shrink-Swell Soils recent views
Fairfax County, Virginia —
Non-marine clay shrink swell soils in Fairfax County. These are soils containing other shrinking-swelling clays that can lead to foundation distress if precautions... -
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Watersheds recent views
Fairfax County, Virginia —
Watersheds within Fairfax County. There are 30 watersheds delineated across Fairfax County. -
County
Radon Potential Areas recent views
Fairfax County, Virginia —
Areas of radon potential within Fairfax County. These areas were developed by short-term test results from a study conducted by the Fairfax County Health Department... -
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Previously Mapped Marine Clay recent views
Fairfax County, Virginia —
These areas were mapped as marine clays in previous surveys. Marine clays are high shrink-swell soils that can cause foundation distress. They are sometimes referred...