Matching Items (2)
Filtering by

Clear all filters

41366-Thumbnail Image.png
ContributorsPollock, T. E. (Author)
Created1916-04-13
Description

Letter from T. E. Pollock to Carl Hayden expressing his dissatisfaction with the proposed boundaries in the national park bill.

41508-Thumbnail Image.png
ContributorsMatthes, F. (Author) / Evans, R. T. (Author) / The Military engineer (Publisher)
Created1926-05
DescriptionGeological Survey of the Grand Canyon in published journal. Vol. XVIII, No. 99.