https://www.cntr.mgh.harvard.edu/our-team/john-simeral%2C-phd
John Simeral, PhD
Assistant Professor, Engineering, Brown University
johnphd
https://digitalcommons.unl.edu/droughtarchive/170/
"U.S. Drought Monitor, July 14, 2015" by David Simeral
Drought map of U.S. for July 14, 2015 (7/14/15) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state...
u sdrought monitorby davidjuly