While the county continued to rely on agriculture into the 20th century, the infestation of the boll weevil destroyed many cotton crops. Mechanization and industrial-scale agriculture reduced the need for labor. Thousands of African Americans left the South in the Great Migration to Northern and Midwestern industrial cities, where they could get better jobs and escape the legal segregation and violence of the South. In the early 20th century industrialists began to harvest and process the pine and other timber in this area of the state.