Matching Items (2)
Filtering by

Clear all filters

41241-Thumbnail Image.png

Letter From Carl Hayden to George Otis Smith, U.S. Geological Survey

ContributorsHayden, Carl T. (Author) / Smith, George Otih (Author)
Created1918-04-25
Description

Letter from Carl Hayden to George Otis Smith asking his advice regarding the mining of asbestos deposits in the Grand Canyon.

42700-Thumbnail Image.jpg

Origins of the Sonoran Desert Conservation Plan: Sonoran Desert Conservation Plan

ContributorsHuckelberry, Chuck (Author) / Pima County (Ariz.). County Administrator's Office (Publisher)
Created1999
Description

This conservation plan is the coming together and the coalition of a lot of issues that had the opportunity to germinate into what it is today, partly a Multi-Species Habitat Conservation Plan. A part of it is just a general conservation plan of many planning elements that the County has…

This conservation plan is the coming together and the coalition of a lot of issues that had the opportunity to germinate into what it is today, partly a Multi-Species Habitat Conservation Plan. A part of it is just a general conservation plan of many planning elements that the County has been involved in over a number of years.