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41425-Thumbnail Image.jpg
ContributorsJackson, William H. (Author) / Atlantic and Pacific Railroad (Publisher) / W.H. Jackson and Co. (Photographer)
Description

Black and white stereograph card of a man sitting on an outcropping and overlooking the canyon. Circa 1879.

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Created2009-03-27
Description

Anza Park, established in August of 2007, is located within Avra Valley adjacent to and west of the Town of Marana boundary. The park consists of approximately 280 acres located along both sides of the Santa Cruz River. This area is a riparian oasis that supports a rich diversity of

Anza Park, established in August of 2007, is located within Avra Valley adjacent to and west of the Town of Marana boundary. The park consists of approximately 280 acres located along both sides of the Santa Cruz River. This area is a riparian oasis that supports a rich diversity of native plants, birds, and other wildlife, especially as compared to adjacent lands that are biologically depauperate due to decades of intensive agricultural use.

Created1998 to 2003
Description

On March 2, 1999, the Board of Supervisors of Pima County, Arizona adopted the Sonoran Desert Conservation Plan. This Plan is the largest and most comprehensive regional multi-species conservation plan in the United States. These memorandums of understanding record the agreements made with cooperating agencies.

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Created2002-08-05
Description

Invasions by non-native species cause serious problems in many parts of Pima County. It will benefit from adopting policies and increasing coordination with government and non-profit groups to deal effectively with invasive species.

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Created2001-10
Description

A restoration effort of the San Pedro River to restore sacaton grassland, riparian trees and mesquite to about half the 50 acres of fallow agricultural fields at the Bingham Cienega. The overriding goals were to (1) establish a diversity of riparian habitats in the fields which in turn will support

A restoration effort of the San Pedro River to restore sacaton grassland, riparian trees and mesquite to about half the 50 acres of fallow agricultural fields at the Bingham Cienega. The overriding goals were to (1) establish a diversity of riparian habitats in the fields which in turn will support a greater number of invertebrate, reptile, mammal and bird species; and (2) develop practical techniques for promoting establishment of native plants that require little or no irrigation.

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Created1999-07
Description

Describes a comprehensive regional policy direction to achieve meaningful riparian restoration necessary for endangered species compliance and the basic relation of water policy to conservation planning.

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Created1999-12
Description

Brings together and updates prior anlayses of the riparian restoration element of the SDCP to include not only the considerations of the Endangered Species Act, but also the Clean Water Act. The report defines the scope of environmental and legal issues, and describes a method for further integrating efforts to

Brings together and updates prior anlayses of the riparian restoration element of the SDCP to include not only the considerations of the Endangered Species Act, but also the Clean Water Act. The report defines the scope of environmental and legal issues, and describes a method for further integrating efforts to address environmental and regulatory issues.

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ContributorsPalgen-Maissoneuve, Mimi, 1918-1995 (Photographer)
Created1942 to 1962
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ContributorsPalgen-Maissoneuve, Mimi, 1918-1995 (Photographer)
Created1942 to 1962
61938-Thumbnail Image.jpg
ContributorsPalgen-Maissoneuve, Mimi, 1918-1995 (Photographer)
Created1942 to 1962