Acoustic tags and numerical river models are two technologies developed by researchers at the Department of Energy's Pacific Northwest National Laboratory that are helping improve salmon passage at the Columbia Basin's hydroelectric dams.

By ALLEN THOMAS Having exceeded harvest guidelines, sturgeon angling in the Bonneville pool of the Columbia River Gorge will shift to catch-and- release beginning Saturday.

By Allen Thomas, The Columbian, Vancouver, Wash. Jul. 8--Having exceeded harvest guidelines, sturgeon angling in the Bonneville pool of the Columbia River Gorge will shift to catch-and-release beginning Saturday.

By Michael Milstein, The Oregonian, Portland, Ore. Jun. 15--ARLINGTON -- The 40 or so steel pilings poking from the Columbia River were supposed to be a bridge to the future for eastern Oregon's Gilliam County and this river port town. They are footings for a $3 million barge dock.

By Scott Learn, The Oregonian, Portland, Ore. May 3--HORSETHIEF LAKE, Wash.