Potash prices are skyrocketing and may soar to $1,000 or more per ton by the end of 2008 (Figure 1). Rapidly rising demand for fertilizer and limited expansion of production are leading causes of the increase (Sergeant, 2008). Good potash deposits are rare, there are few global producers, and growth in demand is great; generally bad news for consumers. The good news is that the dramatic increase in price has renewed interest in Arizona potash deposits. Yes, Arizona has potash! ----- OTHER ARTICLES ---- <In the Wake of Powell and Péwé: Science in the Grand Canyon>.