WASHINGTON (AP) -- Sens. Patty Murray and Maria Cantwell and seven other members of Washington's congressional delegation are asking the Corps of Engineers to keep working at full speed on a permanent fix for the Howard Hanson Dam.

In a letter Thursday they asked the Corps to complete a study by June so the project can be considered for construction funding in 2012.

An abutment to the flood control dam was weakened by heavy rains a year ago. Officials warned the dam would not be able to hold a full reservoir and there was a risk of flooding through the Green River Valley.

Temporary repairs have reduced the risk of flooding. Millions of dollars have been spent to add sandbags on levees through Kent, Renton, Auburn and Tukwila.

Copyright 2010 The AP.

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