Fort Bend Regional Landfill, Texas

The Fort Bend Regional Landfill site on the site of a former sulphur plant, and is surrounded by subsidence ponds formed by the extraction of sulphur from the site. It is located atop the Long Point Salt Dome, an underground geologic feature which occurs at several dozen locations around the Gulf region, and which were some of the first sites to be drilled for oil and gas, as they tend to trap this material around its edges, hundreds or thousands of feet underground. Sulphur often is found closer to the surface, in the cap rock. Other industrial activities, such as landfills often continue at salt domes that have been developed, and depleted, taking advantage of unused industrial infrastructure.