Thirty years ago last month then-Idaho Gov. Cecil D. Andrus stood at the front of a crowded hotel ballroom in Boise to warn the Northwest’s industrial and energy interests that the Endangered Species Act was coming for them, and that the demise of the region’s salmon populations would eventually force them to change.

“We have to tell the Bonneville Power Administration and the Corps of Engineers that they’ve had a microchip in their head on how to run the river,” Andrus said at his “Salmon Summit” in 1991. “That should be removed and replaced with a new chip, in which you say, ‘You will maintain this river for the fish, as well as power generation.’ ”