There is no place in the world like Lake Powell. Construction of the Glen Canyon Dam, which backs up Lake Powell, began in late 1956. On March 13, 1963, the river diversion plugging operation had progressed to the point where additional water impoundment in Lake Powell could be made. The adjustable control gates in the left tunnel were partially closed to allow passage of only 1,000 cubic feet of water per second through the dam to commence filling of Lake Powell as the waters began to … [Read more...] about Lake Powell Celebrating 50 Year Anniversary