Estimated use of water in the United States in 2005: U.S. Geological Survey Circular 1344 (Kenny, J.F., Barber, N.L., Hutson, S.S., Linsey, K.S., Lovelace, J.K., and Maupin, M.A., 2009, 52 p.); Consumptive Water Use in the Production of Ethanol and Petroleum Gasoline, Argonne National Laboratory ANL/ESD/09-1 (Wu, M., Mintz, M., Wang, M., and Arora, S., 2009).