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ContributorsBass, W. W. (Author)
Created1918-09-22
Description

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.

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ContributorsHayden, Carl T. (Author)
Created1917-06-28
Description

Letter from Carl Hayden to W. W. Bass concerning the passing of the national park bill. Hayden states that he will try to make the bill as advantageous to Arizona miners and farmers as possible, but the land will either remain as a national monument or become a national park.

Letter from Carl Hayden to W. W. Bass concerning the passing of the national park bill. Hayden states that he will try to make the bill as advantageous to Arizona miners and farmers as possible, but the land will either remain as a national monument or become a national park. A postscript is added concerning the land allocated for the Havasupai Tribe.

Created2002 to 2017
Description

Mission: To regulate and support Arizona Agriculture in a manner that encourages farming, ranching and agribusiness, while protecting consumers and natural resources.

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Description

Amendments to the bill establishing the Grand Canyon a National Monument. Circa 1908.

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ContributorsFonseca, Julia (Author)
Created2000-05
Description

Two studies that describe the progress of riparian mapping that is being developed as part of the Sonoran Desert Conservation Plan.

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Created2002-07-31
Description

To facilitate development of the Environmental Impact Statement which must accompany the Section 10 multi-species conservation proposal, a series of issue papers were prepared. In Pima County, ranching is uniquely able to preserve the integrity of vast tracts of connected and unfragmented open space and wildlife habitat. This study reviews

To facilitate development of the Environmental Impact Statement which must accompany the Section 10 multi-species conservation proposal, a series of issue papers were prepared. In Pima County, ranching is uniquely able to preserve the integrity of vast tracts of connected and unfragmented open space and wildlife habitat. This study reviews the effect of five alternative permit strategies on the County's ability to preserve unfragmented landscapes through conserving ranch lands.

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Created2001-01
Description

Following the May 2000 pilot study, riparian areas were delineated and vegetation communities at the biome level were identified as reflected in this report. The study area for the report consisted of all land within Pima County not under federal or Native American jurisdiction that lacks GAP status as protected

Following the May 2000 pilot study, riparian areas were delineated and vegetation communities at the biome level were identified as reflected in this report. The study area for the report consisted of all land within Pima County not under federal or Native American jurisdiction that lacks GAP status as protected land.

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ContributorsPalgen-Maissoneuve, Mimi, 1918-1995 (Photographer)
Created1942 to 1962