National Corvette Museum Begins Backfilling Sinkhole In Fourth Update: Video - GM Authority (blog)

Until this week, the team had to begin actually backfilling the hole as stabilization and other necessary repairs had yet to be made, but they were finally able to go forward with their plans yesterday morning. Following a ceremonial throwing of the first rocks into the sink hole, the Scott, Murphy & Daniel crew was able to set to work backfilling the hole with rock. As we’ve mentioned before, despite the the engineer’s and construction crew’s best efforts, there is no way to guarantee the sinkhole will be permanently stabilized, but we’ll still be be happy to see some Corvettes in place of the gaping void... Source: