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41475-Thumbnail Image.jpg
Created1917-12-26
Description

Black and white mounted print with typescript annotation, "Dec 26, 1917, at the Grand Canyon of Ariz., on his honeymoon, Arthur "Cap" Taylor." Handwritten annotation, "San Diego, 1918."

41476-Thumbnail Image.jpg
Created1905-11-18
Description

Black and white print of one man and three women (unidentified) on a trail.

41477-Thumbnail Image.jpg
Created1905-11-18
Description

Black and white print of six men and four women (unidentified) astride mules on a trail. One man sits on rocks beside the trail.

41478-Thumbnail Image.jpg
DescriptionBlack and white print of Frank and Tillie Luke on the rim of the Grand Canyon. Circa 1920-1929.
41479-Thumbnail Image.jpg
ContributorsKolb Bros. (Photographer)
Created1914-07-17
Description

Black and white print with members of the Luhrs family. Typescript annotation, "July 17th, 1914. Going down Bright Angel Canyon of Arizona, Those on the mules, from bottom up: unknown, unknown, Ella Luhrs, Emma Luhrs, George H. N. Luhrs, unknown, Roger Hunt, George Luhrs Jr., Catherine Margarita 'Gretchen' (Mrs Geo

Black and white print with members of the Luhrs family. Typescript annotation, "July 17th, 1914. Going down Bright Angel Canyon of Arizona, Those on the mules, from bottom up: unknown, unknown, Ella Luhrs, Emma Luhrs, George H. N. Luhrs, unknown, Roger Hunt, George Luhrs Jr., Catherine Margarita 'Gretchen' (Mrs Geo H. N.) Luhrs standing beside George Luhrs Jr." Beside the trail, a sign displays, "Photo by Kolb Brothers."

41480-Thumbnail Image.jpg
Created1914-07-17
Description

Black and white print of the Grand Canyon with a typescript annotation, "July 17, 1914. Grand Canyon Arizona. On the left side you can see some of the mules taking people down the Bright Angel Trail to the bottom of the Canyon."

41481-Thumbnail Image.jpg
Created1914-07-17
Description

Mounted black and white photograph with a typescript annotation, "July 17 1914. Making the trip down Bright Angel trail at the Grand Canyon of Arizona on mules. Left to right: George H. N. Luhrs, Jr., unknown, George H. N. Luhrs, Emma Luhrs, Ella Luhrs. Bright Angel Trail to the Colorado

Mounted black and white photograph with a typescript annotation, "July 17 1914. Making the trip down Bright Angel trail at the Grand Canyon of Arizona on mules. Left to right: George H. N. Luhrs, Jr., unknown, George H. N. Luhrs, Emma Luhrs, Ella Luhrs. Bright Angel Trail to the Colorado River, at bottom on canyon."

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Created2010-02-05
Description

While we may view climate change issues as a more global or national problem, our unique Sonoran Desert ecosystem is a recognized global resource; hence climate change is an important consideration in how we manage and protect our fragile desert ecosystem. This discussion is designed to promote local awareness of

While we may view climate change issues as a more global or national problem, our unique Sonoran Desert ecosystem is a recognized global resource; hence climate change is an important consideration in how we manage and protect our fragile desert ecosystem. This discussion is designed to promote local awareness of how climate change may impact our resources.

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Created2009-08-28
Description

This report examines how effectively Pima County’s natural open-space acquisitions have addressed priorities for conserving species’ habitats and landscape features identified in the Sonoran Desert Conservation Plan. The scope of this study is beyond the County's Multi-Species Conservation Plan, which is a subset of the overall Sonoran Desert Conservation Plan.

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Created2009-08-28
Description

The purpose of this study is to provide the U.S. Fish & Wildlife Service with an analysis that identifies anticipated impacts to each of the covered species and asks the question: How effectively will the County's mitigation lands include the specific habitats of covered species under the Multi-Species Conservation Plan?