Matching Items (3)

Filtering by

Clear all filters

41249-Thumbnail Image.png

Letter From A. F. Potter to Carl Hayden

Description

Letter from A. F. Potter to Carl T. Hayden describing John H. Page's request to build a railway for the Canyon Copper Company as "impractical."

Contributors

Agent

Created

Date Created
1918-01-10

41250-Thumbnail Image.png

Letter From A. F. Potter to John H. Page

Description

Letter from A. F. Potter to John H. Page referring his request to build a railway to the District Forester at Albuquerque, New Mexico.

Contributors

Agent

Created

Date Created
1910-08-15

67288-Thumbnail Image.png

Natural Resources Management Plan and Environmental Assessment: Grand Canyon National Park Arizona

Description

Natural resources management plan and environmental assessment for preserving natural resources within the park for use and enjoyment of visitors. The approach is guided by the concept of maintaining and perpetuating ecosystems rather than protecting or preserving individual features or favored species.

Contributors

Created

Date Created
1977-09