Two Minnesota fishermen made an unexpected discovery beneath the Mississippi River this week when sonar technology led them to what authorities say could be a break in a decades-old cold case.

Arizona will again go without 18% of its total Colorado River allocation, while Mexico loses 5%. The reduction for Nevada — which receives far less water than Arizona, California or Mexico — will stay at 7%. California won’t face any cuts because it has senior water rights and is the last to lose in times of shortage.