Unique in lack of commercial traffic. Contrasts river's natural state with parts dammed to provide electric power and irrigation water.
1947-01-01
2016-08-04
1960-10-16
1997-06-24
2019-02-09
1946-05-11
2018-03-01
1997-01-01
2021-06-01
2022-03-24
2003-01-01
2023-06-24
2023-07-01
2023-06-11
2023-06-10
2018-12-13
2019-04-26
2011-01-01
2018-11-23