Filtering by
- All Subjects: Mining
- All Subjects: McKee, Edwin Dinwiddie, 1906-1984
- Creators: Bass, W. W.
- Creators: United States Department of the Interior
- Creators: Grand Canyon National Park, National Park Service, U.S. Department of the Interior
- Creators: Pinchot, Gifford
Letter from Gifford Pinchot to John H. Page denying his request to build a railway on the rim of the Grand Canyon for the Canyon Copper Company.
Letter from W. W. Bass to Carl Hayden concerning the mining of asbestos in the Grand Canyon.
Letter from W. W. Bass to Carl Hayden requesting the boundaries of the park be reconsidered as a large portion of the land is suitable for mining and farming.
Typescript report, black and white, describing the mammals of Grand Canyon National Park with cover drawing of a bighorn sheep.
Typescript report, black and white, describing the birds of Grand Canyon National Park with cover drawing of a bald eagle.
Letter from W. W. Bass to Carl Hayden urging him to visit the Grand Canyon in order to see what effect the National Park bill would have on the farmers and miners of the Grand Canyon. Bass urges Hayden to "correct a threatening evil" and the monopoly such a proposal would give to the Santa Fe Railway line, includes newspaper clipping.