HILLSBOROUGH — A worker was injured Tuesday when trapped in his excavating machine by a large boulder at a Belle Mead stone quarry.

A worked was trapped Tuesday under a boulder at the Gibraltar Rock stone quarry in Belle Mead.

At about 2:19 p.m. Tuesday, Hillsborough Police were called to the Gibraltar Rock — Belle Mead Stone Quarry on County Road 601 in the Belle Mead section of Hillsborough for a report of a worker trapped by a boulder in an excavator, Lt. Mark Besser of Hillsborough Police said in a statement.

Kim Plattenberg, 40, of Columbia was found trapped in an excavating machine by a large boulder that had fallen on the vehicle, Besser said.

Plattenberg, who is employed by Silver Valley Drilling and Blasting of Saylorsburg, Pa., was working at the Gibraltar stone quarry when the rock slide occurred, Besser said. BEGIN RELATED LINKS

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Plattenberg was eventually extricated from the machine and was flown by the NorthSTAR medevac helicopter to University Hospital in Newark for injuries to his legs, Besser said.

He remains hospitalized in stable condition Wednesday afternoon, according to a hospital spokeswoman.

Montgomery Police, Hillsborough Rescue, Hillsborough Fire, Hillsborough Office of Emergency Management, Montgomery Rescue, Montgomery Fire, Neshanic Fire, Somerset Medical Center's Mobile Intensive Care Unit, Somerville Rescue, Hunterdon County Technical Task Force Rescue, Mercer County Technical Collapse Rescue, Occupational Safety and Health Administration and Mine Safety and Health Administration responded to the incident, Besser said.