New SR 77 Bridge over Canada Del Oro Wash 1985 The beautiful expanse of desert just north of Tucson called Oro Valley joined the US in 1853 as part of the Gasden Purchase. Canada del Oro (Canyon of Gold) was the name given to the area by early prospectors due to a legendary lost spanish mine, however very little gold was ever found. Homesteading started in the early 1900 and by the 1930's wealthy families started buying up the land to create massive winter estates and guest
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