Matching Items (4)
Filtering by

Clear all filters

41315-Thumbnail Image.png
ContributorsRiordan, M. J. (Author)
Created1924-03-17
Description

Letter from M. J. Riordan to Carl Hayden expressing his opposition to the federal government's takeover of Bright Angel Trail.

41167-Thumbnail Image.png
ContributorsRiordan, M. J. (Author)
Created1924-03-07
Description

Letter from Michael J. Reardon to Carl T. Hayden, in agreement with Ralph Cameron, asserting that Bright Angel Trail should not be sold from Coconino County to the United States.

41491-Thumbnail Image.png
Created1929
Description

Typescript report, black and white, describing the mammals of Grand Canyon National Park with cover drawing of a bighorn sheep.

41490-Thumbnail Image.png
Created1930
Description

Typescript report, black and white, describing the birds of Grand Canyon National Park with cover drawing of a bald eagle.