Pinchot's inferno. Illustration shows a dark, bleak mountainous landscape with a tunnel labeled Private Monopoly and carved into the mountainside is All Hope Abandon Conservationists Who Enter Here; two mountains have faces and are labeled Water Power and Timber Interests. A man is standing in the foreground holding a rolled up paper labeled Forest Preservation. Date 1910 January 19. Pinchot's inferno. Illustration shows a dark, bleak mountainous landscape with a tunnel labeled Private Monopoly and carved into the mountainside is All Hope Abandon Conservationists Who Enter Here; two mountains have faces and are labeled Water Power and Timber Interests. A man is standing in the foreground holding a rolled up paper labeled Forest Preservation. Date 1910 January 19.