university
andof
andarizona
andlibrary
andspecial
andcollection
in keywords[Undo] Irrigation
andengineering
andMexico
andYaqui
andRiver
in subject[Undo]
Records, 1904-1968 (bulk 1904-1927). Collection consists primarily of photographs, legal papers, and other materials concerning the development of a railroad and irrigation system in the Yaqui River Valley, Sonora, Mexico.