A place called Grand Canyon: contested geographies

Physical and cultural background

Westward expansion : 1870 to 1908

The National Park : 1909 to 1919

Park consolidation and expansion : 1920 to 1927

Park expansion versus a new national monument : 1927 to 1940

Frustrated expansion efforts and a new national monument : 1940 to 1969

Park and Havasupai Reservation expansion : 1970 to 1975

Subsequent and ongoing boundary issues : 1976 to 1995

Toward a (re)definition of Grand Canyon

Looking backward

and forward.