1.   Biologists hope to install a fish passage at the Robles diversion and one day remove Matilija dam.

2.   Dams block fish passage along the five of the eight major tributaries of the Columbia.

3.   Dams block fish passage along the five of the eight major tributaries of the Columbia River.

4.   Federal studies have cast doubt on whether fish passage would work at the two dams.

5.   In the Columbia Basin, attempts will be made to increase water flows in streams and remove barriers to fish passage.

n. + passage >>共 132
senate 11.02%
air 9.45%
year 8.27%
budget 2.36%
fish 1.97%
sea 1.97%
book 1.57%
side 1.57%
water 1.57%
dance 1.18%
fish + n. >>共 497
stock 9.11%
sauce 6.16%
market 3.88%
population 2.95%
tank 2.91%
oil 2.66%
species 2.40%
fillet 2.40%
pond 2.19%
farmer 1.56%
passage 0.21%
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