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in the US High Plain and Central Valley, Proceedings of the national academy of sciences
of the United States of America. Vol. 109, No. 24, doi: 10.1073/ pnas. 1200311109.
Scanlon, B. R., Faunt, C. C., Longuevergne, L., Reedy, R. C., Alley, W. M., McGuire,
V. L. and McMahon, P. B. (2012). Groundwater depletion and sustainability of irrigation
in the US High Plain and Central Valley, Proceedings of the national academy of sciences
of the United States of America. Vol. 109, No. 24, doi: 10.1073/ pnas. 1200311109.