The irrigation practices on the Las Vegas Ranch were being blamed for the mosquito problem in Las Vegas, and the Las Vegas Land and Water Company was being asked to address it.
From the Las Vegas: Snapshots of History Photograph Collection (PH-00425). The Dunes Hotel, The Bonanza, Caesars Palace, Flamingo Las Vegas, Sage and Sand Motel, the Sands Hotel and Casino, and Frontier (from south to north).