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ContributorsVan Bradt, Denver, Co. (Photographer)
Created1935
DescriptionBlack and white print of people on South Kaibab Bridge.
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ContributorsVan Bradt, Denver, Co. (Photographer)
Created1935
DescriptionBlack and white print of Benjamin Freye on a mule.
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ContributorsVan Bradt, Denver, Co. (Photographer)
Created1935
DescriptionBlack and white print of Lillie and Harriet Freye on mules.
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ContributorsVan Bradt, Denver, Co. (Photographer)
Created1935
Description

Black and white print of Lillie and Harriet Freye riding mules down a trail.

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ContributorsVan Bradt, Denver, Co. (Photographer)
Created1935
DescriptionBlack and white print of Lillie and Harriet Freye riding mules below Elephant's Feet landform.
41408-Thumbnail Image.jpg
ContributorsVan Bradt, Denver, Co. (Photographer)
Created1935
DescriptionBlack and white print of Lillie Freye riding along the edge of the canyon trail.
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Created1976-11
Description

Feral burro management plan and environmental assessment for Grand Canyon National Park in Arizona.

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Created1977-09
DescriptionThis addendum to the 1977 GCNP managment plan includes priority projects and planning for a 5-year period.
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Created1977-09
DescriptionNatural 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.