Before revision: "Overcoming Problems with Marine Clays", Fairfax County, Virginia Where clay overlies peat, a lateral movement of the coastline is indicated and shows a rise in relative sea level Swelling of marine clay has the potential to destroy building foundations in only a few years.
After revision: Effect on building foundations"Overcoming Problems with Marine Clays", Fairfax County, Virginia Where clay overlies peat, a lateral movement of the coastline is indicated and shows a rise in relative sea level Swelling of marine clay has the potential to destroy building foundations in only a few years.