Follow Leo Yankton (Oglala Lakota) as he contributed in efforts to protect the water on the Standing Rock reservation, and continues to find ways to have a positive impact with Native County and the rest of the world.
1968
1939
1971
1972
1974
2019
1961
2003
2025
2022
1960
1941
2006
1955
1953
1975
2020
1990
1997
