John Arnold, left, director of Pima County poverty program, sits with Ronnie Tamplin in the bedroom of his family's home in Rillito. Arnold did a census of families in rural poverty in 1968, He found that farmworkers were constantly on the move between Santa Cruz and Pima counties. He estimated that Marana had 280-400 families in poverty and Rillito had 80. Photo by Bruce Hopkins / Tucson Citizen

Bruce Hopkins / Tucson Citizen