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Salt River Valley (Gila County and Maricopa County, Ariz.)

 Subject
Subject Source: Library of Congress Subject Headings

Found in 11 Collections or records:

Early Hydro Electric Development of the Salt River Valley

 Collection
Identifier: CM MSM:82
Dates: 1701-2009; Majority of material found within 1850-2009

E. H. McHenry Papers

 Collection
Identifier: MS MSS 2
Abstract This collection consists primarily of correspondence between E. H. McHenry and the officials and employees of the machinery manufacturing companies that designed, constructed, and tested his solar motors. Also included are engineering tables, notes, diagrams, blueprints of solar motors, notes for a public address on solar motors, and clippings and advertisements for boilers, radiators, pumps, and generators. This collection has not been processed in full and can be...
Dates: 1891-1926