{HEAD ~ The system} employed includes a disposal site having {TAIL ~ a liquid impermeable supporting base} surrounded by a peripheral dike with a geometrically indexing support structure built on and supported by the base 
{ HEAD ~ The system } employed includes a disposal site having { TAIL ~ a liquid impermeable supporting base } surrounded by a peripheral dike with a geometrically indexing support structure built on and supported by the base
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH