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The Ramp to the Pedestal Room Beneath DSS-36

The Ramp to the Pedestal Room Beneath DSS-36
After the concrete has cured, the excavated area around the pedestal and tapered ramp walls is backfilled to return the construction area to its original topography.

After the concrete has cured, the excavated area around the pedestal and tapered ramp walls is backfilled to return the construction area to its original topography.