Close-up of wooden structure amid treesEverglades National Park; National Park ServiceView of remains of structure made of heavy logs and concrete; "Tannin factory - Shark River - ENP".
Little blue heron on fallen branchEverglades National Park; National Park ServicePhotographic Record Card: "Anhinga Trail." Close up view of Little Blue Heron on a tree limb with mangroves on the background. Additional hand written number in top right corner "168".