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Regarding Park Administration

ContributorsUnited States National Park Service (Publisher)
DescriptionOne-page history of the four Grand Canyon National Park superintendents from 1919 to 1923, W. H. Peters, D. L. Reaburn, W. W. Crosby and J. R. Eakin. Circa 1923.
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Health Consultation - State of Arizona - Silver Creek Subdivision: Tucson, Pima County, AZ

ContributorsSchaller, Kristina E. (Author) / Herrington, Don N. (Author) / Humble, Will (Author) / Arizona. Office of Environmental Health (Author)
Created2005-06-03
Description

The Arizona Department of Health Services completed this health consultation at the request of the Arizona Department of Environmental Quality. This consult evaluates whether soil vapors from volatile organic compounds in the subsurface near the Silver Creek Subdivision in Tucson, Arizona are present at levels that may cause adverse health…

The Arizona Department of Health Services completed this health consultation at the request of the Arizona Department of Environmental Quality. This consult evaluates whether soil vapors from volatile organic compounds in the subsurface near the Silver Creek Subdivision in Tucson, Arizona are present at levels that may cause adverse health effects.