To find Charles Mallory Hatfield, you usually had to look up. … For decades, Hatfield danced up and down the state, promising a heavenly waterfall to a drought-bedeviled world. Once contracted, he and his brother Paul would quench the thirst of Central Valley farmers or refill the waterways for coastal citizens who, without his help, would be reduced to drinking dust. His quiet alchemy, conducted up on those wooden platforms out in the hills, always seemed to work. … Today, Utah bolsters its snowpack by as much as 12% in a given year, solely through cloud seeding — a sizable return, considering the state’s needs, but nothing like what Hatfield could promise.