AULT – Police say that more than 100 sheep were killed after two trucks collided in northern Colorado.

The Coloradoan reports that the driver of a Waste Management semitrailer pulled out from a county road in front a semi carrying about 300 sheep on Colorado Highway 14 just west of Ault on Monday. The truck hauling the sheep landed on its side. Police say the driver was taken to the hospital with minor injuries.

The driver of the Waste Management truck wasn’t injured and was cited for careless driving.

The crash closed the intersection for about four hours. Workers removed the dead animals as the sheep who survived grazed in a field nearby.