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Drilling continues at Wanapum Dam

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BEVERLY — Three drilling rigs are working 24 hours a day to bore holes for anchors that will secure the spillway at Wanapum Dam more securely to the bedrock below.

Drilling is expected to continue throughout the summer at the Columbia River dam, while the Grant County PUD awaits federal approval to begin installing high-strength cable anchors, PUD spokesman Tom Stredwick said Tuesday.

Crews Feb. 27 discovered a 65-foot crack across the width of one of the massive spillway’s 12…

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