 It was the second bombing of the continental United States by an enemy aircraft, three months after the air attack by Japan on Dutch Harbor three months earlier on June 3–4.The national forest is home to some stands of old growth, including Port Orford cedar and Douglas fir in the Copper Salmon area.A 1993 Forest Service study estimated that the extent of old growth in the forest was  some of which occurs in the Red Buttes Wilderness.