1997 FORD, EXPLORER WHILE TRAVELING 70MPH DRIVER'S SIDE REAR TIRE TREAD SEPARATED. VEHICLE WENT INTO A SKID & LOST CONTROL, DOING 2 360'S, AND ENDING UP DOWN IN AN ENBANKMENT. VEHICLE HAD 4,000 DAMAGES. PASSENGER & CHILD HAD MINOR INJURIES. TIRE SIZE P235/75R15, DOT # NOT AVAILABLE, AND ORIGINAL TIRES WITH 60,000 MILES. STATE TROOPER SAID TIRES LOOKED TO BE DRY ROTTED. *AK