Chapter 1, Problem 75IAE

In the United States, the volume of irrigation water is usually expressed acre-feet. One acre-foot is e volume of water sufficient to cover 1acre of land to a depth of 1 ft $\left({\text{640 acres =1 mi}}^{\text{2}}\text{; 1 mi = 5280 ft}\right)$ . The principal lake in the California Water Project is Lake Oroville, whose water storage capacity is listed as $3.54\times {10}^6$ acre-feet. Express the volume of Lake Oroville in (a) cubic feet; (b) cubic meters; (C) U.S.gallons.