Cite
MLA
National Atlas of the United States. United States Income and Employment 1979-1981. United States Income and Employment 1979-1981 - TexasGeoDataPortal. No Scale Provided. https://geodata.lib.utexas.edu/catalog/sde-columbia-natatlas_1981_us_incomeAPA
National Atlas of the United States. United States Income and Employment 1979-1981 [map]. No Scale Provided. Retrieved January 17, 2021, from https://geodata.lib.utexas.edu/catalog/sde-columbia-natatlas_1981_us_incomeChicago
National Atlas of the United States. United States Income and Employment 1979-1981 [map]. No Scale Provided. "United States Income and Employment 1979-1981 – UT Geodata". University of Texas Libraries Geodata Portal. <https://geodata.lib.utexas.edu/catalog/sde-columbia-natatlas_1981_us_income> (17-January-2021).Note that these citations have been automatically generated, please verify that citation is correct and contains all necessary information.