First Harnessing of Missouri River . . . in South Dakota was completed this year at Fort Randall Dam. All Missouri River water is now flowing through tubes in main embankment at left. Closure section built this year is at center. - Army Photo
Invading the Missouri River . . . near Pierre, S.D., is Oahe Dam, now 5 percent complete. Pyramid of earth in upper center is completed 1,500-foot section of dam. Sheet pile cut-off wall shown being driven in trench to right of square embankment…