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ContributorsMather, Stephen T. (Author)
Created1918-03-29
Description

Letter from Stephen T. Mather to Carl Hayden with markup of bill S 390 for the proposed National Park.

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Created2000-05
DescriptionDocuments the preparation of a geographic information system cover that represents springs in Pima County, discusses characteristics of certain springs in Pima County, and identifies actions needed to improve the conservation of springs and spring habitats.