Showalter D., Hartman S. L., Eppley K., Johnson J., and Klein B. (2023) Why Rural Matters 2023: Centering Equity and Opportunity. NREA. https://wsos-cdn.s3.us-west-2.amazonaws.com/uploads/sites/18/WRMReport2023_DIGITAL.pdf
U. S. Census Bureau (2020) 2020 Census urban areas facts. https://www.census.gov/programs-surveys/geography/guidance/geo-areas/urban-rural/2020-ua-facts.html