No one was injured when a semi-trailer hauling finished lumber wrecked on the North Oregon Coast and blocked Hwy. 101 for a short period of time.  The accident occurred about 4:30 a.m., Wednesday, July 9, near Cloverdale in South Tillamook Co.  Fifty-one year old Guy Hollis was operating the semi when it crashed into an earthen embankment spilling two trailer loads of lumber onto the Coastal route.  He was cited for Careless Driving.