What state is Yellowstone National Park in?

In what year was the National Park Service established?

Before joining the National Parks movement of the early 20th century, what was J. Horace McFarland's profession?

The Organic Act’s statement of purpose called for the Park Service to ‘‘____________’’ the scenery and other resources...

Which President signed the Organic Act into law?

Who was the first leader of the National Parks Service?

What was the first profession created by the National Parks Service?

Stephen Mather believed the success or failure of the national parks depended on the _______________.

In 1940, what department were the Park Service Biologists transferred to?

Who was Stephen Mather's successor in the National Parks leadership role?

Who was Horace Albright's successor in the National Parks leadership position?

In 1940, wildlife biologists were transferred to what department?

Who was Arno Cammerer's successor in the leadership position of the National Parks and served until 1963?

What conflict caused major cuts to the National Parks service?

In the 1960's, Conrad Wirth’s _________ had revitalized the National Park Service, lifting it out of the doldrums of the postwar years.

Who was Conrad Wirth's successor in the National Parks leadership role?

In 1970, what National Park was the location of a riot?

In 1970, which National Park was the location of a young boy's death in a thermal pool?

In a 1991 study entitled, _______________, the National Parks and Conservation Association cited polls by the Roper Organization, which indicated that the Park Service ‘‘continues to enjoy the highest public approval rating of all government agencies.’’