During his presidency , Roosevelt issued nearly 10 times more executive orders than his predecessor .
Below is a list of lands set aside as national parks , reserves , or other conservatories by President Theodore Roosevelt via executive order or proclamation .
During Theodore Roosevelt 's presidency President Theodore Roosevelt issued nearly 10 times more executive orders than his predecessor .
Below is a list of lands set aside as national parks , reserves , or other conservatories by President Theodore Roosevelt via executive order or proclamation .