Report 16397: Rock throwing incident at Woods Canyon Lake.

well my self and my dad were camped at woods canyon lake in the spilway camp ground.. well on friday around 3 to 4 in the after noon i was fishing on the spilway.off the the east is a hicking trail that gose up the hill and around the lake..out of no where a bolder the size of a basket ball come flying thru the middle of the pine trees an 10 to 15 feet into the lake.well befor this happen u could hear birds cherping.well when is happen it got quiet quick..another guy saw what i did we bolth looked at 1 and other and he ended up leaveing