#in largest

Agency throws curveball in largest US dam demolition plan along Oregon border

Record – In this March 3, 2020 document photograph, overabundance water overflows the head of a dam on the lower Klamath River known as Copco 1 close Hornbrook, Calif. (AP Photo/Gillian Flaccus, File)AP

PORTLAND — Federal controllers on Thursday tossed a huge curve at an alliance that has been making arrangements for years to wreck four huge hydroelectric dams on a waterway along the…