From the Ralph Roske Oral History Project on Early Las Vegas, OH-01039. On March 25, 1981, collector Sonny Neighbors interviewed his mother, Margo Knowles (born October 13th, 1935 in Cedar Rapids, Iowa) at her home in Las Vegas, Nevada. Margo speaks about growing up and going to school in Las Vegas. She also discusses her work as a telephone operator in Las Vegas, and at the Nevada Test Site in Nye County, Nevada.