Prehistoric Irrigation Canals ID: 1755 | This file appears in: Hohokam Canals The Hohokam set the groundwork for today's major canal system.The exact locations of all the Hohokam canals are unknown. For the past 100 years, ruined Hohokam villages were plowed under or paved over on both sides of the Salt River from Mesa to Tolleson. | Date: 1924 | Source: Arizona Archives, Carl T. Hayden Photograph Collection C, 5, Map 280 Download Original File SourceArizona Archives, Carl T. Hayden Photograph Collection C, 5, Map 280Date1924 "Prehistoric Irrigation Canals" appears in: Hohokam Canals