the geology of, [52]-[71];

recession of Falls of, [63]-[71];

George Frederick Wright on age of, [66]-[70];

during era of private ownership, [72]-[77];

struggle for passage of "Reservation Act," [77]-[82];

Golden Book of, names in, [79] ;

as producer of power, [99]-[122];

volume of, [99] ;

tunnel beneath, [106] ;

manufacturing companies, use of, [111]-[113], [117] ;