By A Mystery Man Writer
Passion for Wilderness: Roosevelt's Conservation Legacy
TIL Teddy roosevelt, who is thought of as the national park man
Theodore Roosevelt - Wikipedia
FDR's Conservation Legacy (U.S. National Park Service)
The Naturalist: Theodore Roosevelt
Theodore Roosevelt, Conservation & John Muir
Theodore Roosevelt
TIME for Kids Theodore “Teddy” Roosevelt
Who Were the Most Conservation-Minded US Presidents?
Frenemies John Muir and Gifford Pinchot