Challenge to Minutemen; protest industrial agriculture
agriculture, ceaser chavez, challenge, cold war, colorado, colorado delta, colorado river, colorado river basin, delta, el golfo de santa, glen canyon dam, hoover dam, immigrants, imperial, imperial irrigation district, imperial valley, industrial, industrial agriculture, lake mead, lake powell, las vegas, lettuce, minutemen, perchlorate, rio colorado, river, river water, salton sea, slow death, taco bell, valley, water, westlands water district, winter