Theodore Roosevelt
President Roosevelt established the National Wildlife Refuge System in 1903. Roosevelt went on to create 50 more federal bird reserves and four national game preserves during his time in office.
Woodrow Wilson
President Woodrow Wilson signed the National Park Service Organic Act in 1915, creating the National Park Service.
Herbert Hoover
In 1933, President Herbert Hoover preserved approximately 2 million acres of “scenic, scientific and educational interest” in southeastern California: Death Valley National Monument.