5mi Southwest / Toppenish, WA triangular or delta-shaped object report — March 21, 1981

On March 21, 1981, at 9:30 p.m., at 5mi Southwest / Toppenish, WA, Washington, United States, witnesses reported the following: 3+1 observer(s). Dog Acts up. 3 delta/triangle/box-like crafts and 3 night lights play / sky. Cop sees fireball.