Report 67619: Retired wildlife biologist reports gravel thrown at truck, a vocalization and wood knocks on Radar Dome, near Colville.

October 17th, a study at Radio Dome Parking lot, north of Hwy 20 Colville Washington. Time 9 pm to 1am. Gravel being thrown at my pickup in the front the gravel being thrown at the left of the Game Cam. Two loud thumping sounds on a tree and then followed by a low growling into a woofing sound ending in a high pitch screaming, 200 feet from our camp. Later the game cams caught the gravel being thrown in both directions, A huge black figure with mostly part head, shoulder ending in a  mostly clear picture of a shoulder, arm, and open hand that had thrown the gravel.