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The Seepage Model for PA Including Drift Collapse has been revised using updated parameter sets from the Seepage Calibration Model (MDL-NBS-HS-000004 REVOI). The entire model documentation was revised according to AP9.10Q, Rev 2, ICN 3, Step 5.9)2); the changes were too extensive to use revision tracking of individual modifications.doi:10.2172/840689 fatcat:st5oon45afhfdangixzyjnrhbm