Update: Crews spend Wednesday filling deep sinkhole with concrete in Lafayette neighborhood

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LAFAYETTE, Colo. -- A 200-foot-deep sinkhole opened in Lafayette on Monday, revealing a disused coal mine shaft and a live gas line, the Colorado Division of Reclamation Mining and Safety confirmed.

The hole is located on East Cleveland Street near Foote Avenue. One lane of Cleveland will likely be closed for several months, officials said.

Over the next few days, workers will back-fill the hole so that no one falls in, but the repair will not make the pit safe to drive on, Xcel Energy said. Eventually, workers will have to drill to the bottom of the shaft, remove any detritus inside, then fill it with cement.

The exposed gas line does not appear to be damaged, Xcel reported. Workers are attempting to make sure it remains intact throughout the refilling process.