Nogales
a town of Arizona, the county-seat of Santa Cruz co. It is on the Southern Pacific railroad. Its industries include cigar factories, mining include cigar fad factories, mining machinery works, etc. Its public buildings include a town hall, county court house, and the ruins of the Tumacacori, built about 1687. The town is separated from the Mexican town of the same name by only a street. Pop. (1910) 3,514; (1920) 5,199.