Report : Rivers in California , California and Alaska are among the 6 most endangered . Report released Waterways by American Rivers , a leading river-conservation group . The Flint is one of 40 rivers nationwide that still flow undammed for more than 200 miles . Waterways from past Californians Rivers ' endangered lists have been preserved .
Report : Rivers in California , California and Alaska are among the 6 most endangered . Report released Waterways by American Rivers , a leading river-conservation group . Waterways from past Californians Rivers ' endangered lists have been preserved .