Arizona State Parks' mission is to preserve Arizona’s most precious resources while producing revenues for the State from more than two million annual guests. Visitors from all over the world enjoy Arizona State Parks’ 30 natural and cultural sites.

Letter of introduction for Dwight B. Heard on the arrival of National Park Service Director Stephen T. Mather to Phoenix. Mather's visit includes trips to Roosevelt Dam and Tumacácori.

Letter from Dwight B. Heard, president and publisher of The Arizona Republican, to Carl T. Hayden about a visit by Stephen Mather.