Letter from Carl Hayden to J. V. Lloyd, Assistant Superintendent of Grand Canyon National Park, thanking him for his support in maintaining Civilian Conservation Corp companies at full strength. Handwritten note in red pencil, "Jack - For my attention in January. Hayden."

Letter from J. V. Lloyd to Carl Hayden with an attachment of local opinions of the Army and Technical Services as to why the Civilian Conservation Corp companies should be maintained, continuously, at full strength.

Color postcard titled, "H-4452 The Watchtower at Desert View, Grand Canyon National Park, Arizona." Circa 1930-1939.

Color postcard titled, "East From (Hopi) Rowe Point."

Color postcard, 3 inch x 5 inch, titled, "5424." The Grand Canyon of Arizona. Circa 1910.

Color postcard titled, "6326 Grand Canyon of Arizona, From Jacob's Ladder."

Color postcard titled, "8797 El Tovar Grand Canyon of Arizona." Handwritten annotation, "Dear Miss Oakley, I expect to leave here Tuesday A.M. Have had the time of my life. Lovingly, M."