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You generally have lots of layers of separation between trash and ground. Usually layers of clay and plastic. https://www.epa.gov/landfills/municipal-solid-was
by ddulaney 5y ago
You generally have lots of layers of separation between trash and ground. Usually layers of clay and plastic.
https://www.epa.gov/landfills/municipal-solid-waste-landfills https://www.epa.gov/landfills/municipal-solid-waste-landfill...