
Photo by Kathleen Masterson / Harvest Public Media
Luis Campos came to the U.S. illegally but eventually became a legal resident. Campos is now the parlor manager at Winding Meadow Dairy in Rock Valley, Iowa.

Photo by Kathleen Masterson / Harvest Public Media
Terry van Maanen bought Winding Meadows Dairy from his father in the '80s and has grown it to about 600 cows. He sells milk to Land O Lakes.

Photo by Kathleen Masterson / Harvest Public Media
The Natural Food Holdings plant in Sioux Center relies on its large number of Hispanic employees.

Photo by Kathleen Masterson / Harvest Public Media
Over time, formerly predominantly Dutch Sioux Center, Iowa, has changed.