Hector Ramirez makes sure the wind doesn't sweep the hat off of his head as he works a field of tomato plants outside of Huron. In May, a season when Huron's population once doubled with workers planting and picking, people like Ramirez are lucky to work one or two days a week. Drought has ravaged towns in the western San Joaquin Valley. Huron has seen its population move on to other states and cities where there is more work.