1. 1. Kassel, K., A. Melton, and R.M. Morrison, 2017: Selected Charts from Ag and Food Statistics: Charting the Essentials. AP-078. USDA Economic Research Service, Washington, DC, 27 pp. https://www.ers.usda.gov/webdocs/publications/85463/ap-078. pdf?v=43025
2. 2. ERS, 2018: Nonmetro Population Change, 2010- 17 [chart]. USDA Economic Research Service (ERS), Washington, DC. https://www.ers.usda. gov/data-products/chart-gallery/gallery/chart-detail/?chartId=60121
3. 3. ERS, 2017: Nonmetro County Poverty Rates, 2011- 2015 Average [chart]. USDA Economic Research Service (ERS), Washington, DC. https://www.ers. usda.gov/data-products/chart-gallery/gallery/chart-detail/?chartId=82280
4. 4. ERS, 2017: County Economic Types, 2015 Edition [website]. USDA Economic Research Service (ERS), Washington, DC. https://www.ers.usda. gov/data-products/county-typology-codes/descriptions-and-maps/
5. 5. Farrigan, T., 2014: Poverty and deep poverty increasing in rural America. Amber Waves. https://www.ers.usda.gov/amber-waves/2014/march/poverty-and-deep-poverty-increasing-in-rural-america