Bonnie Clark, a professor of archaeology at the University of Denver has researched the Amache site, concentrating on gardens and agriculture. As many of the Americans relocated to Amache came from the Central Valley of California and had expertise in farming, harvesting, and nursery work, the surrounding farmers did benefit from having the opportunity to hire workers. Thousands of work permits were granted annually, and Clark said at any one time, a quarter of those living in the camp were away working on area farms and ranches. The internees at Amache played a role in harvesting the 1942 sugar beet crop, some as hired labor and others as volunteers who understood the gravity of the need for harvest labor. In her research, Clark said she read letters from the Granada community and the Prowers County Commissioners thanking the Amache farmers for helping their fellow farmers bring in the harvest.