Fig. 1
From: Potential water requirements of increased ethanol fuel in the USA

Corn production by county in 2015. Taken from USDA-NASS: https://www.nass.usda.gov/Charts_and_Maps/Graphics/CR-PR-RGBChor.pdf
From: Potential water requirements of increased ethanol fuel in the USA
Corn production by county in 2015. Taken from USDA-NASS: https://www.nass.usda.gov/Charts_and_Maps/Graphics/CR-PR-RGBChor.pdf