About AD 400 conditions for, and knowledge of farming were sufficient to establish the Fremont culture in the eastern Great Basin. Desert culture food collectors began to cultivate maize, beans, and squash. Their villages pottery and fields were small-scale versions of Mogollon and Anasazi farm life in the Southwest. They continued farming until AD 1200 when they returned to food collecting and to bison hunting around AD 1500, possibly due to the increasing aridity of the area. While farming they had continued their food collecting, so agriculture never completely replaced their old methods.