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Proposed Adjustments in Boundaries of Grand Canyon National Park

ContributorsUnited States. Forest Service (Publisher)
Created1925-10-19
DescriptionProposed Adjustments in Boundaries of Grand Canyon National Park.
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Guide to Parapet Views at Yavapai Station, Grand Canyon

ContributorsUnited States National Park Service (Publisher)
Created1939-04
DescriptionEducational leaflet on the formation of the Grand Canyon.
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Overview of Pima County's Watersheds and Watercourses: Sonoran Desert Conservation Plan

ContributorsTellman, Barbara (Author) / Pima County (Ariz.). County Administrator's Office (Publisher)
Created2000-04
Description

Builds upon the "Biological Stress Assessment" through the identification of threats and stressors to watercourses within Pima County. It provides background on technical and water policy matters, describes potential and existing impacts to watercourses within Pima County, suggests options for reducing stressors, and outlines a number of issues for discussion…

Builds upon the "Biological Stress Assessment" through the identification of threats and stressors to watercourses within Pima County. It provides background on technical and water policy matters, describes potential and existing impacts to watercourses within Pima County, suggests options for reducing stressors, and outlines a number of issues for discussion withing each watershed planning unit.