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Scale: None Drawn by: MG Date: March 16, 2011 AMEC File No. 5-6317-0001

Semi-pervious Blanket . Levee. Aquifer . Semi-pervious Blanket . Levee. Aquifer . Scale: None Drawn by: MG Date: March 16, 2011 AMEC File No. 5-6317-0001. LEVEE ILLUSTRATION. CUTOFF WALLS- Narrow slots filled with slurry.

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Scale: None Drawn by: MG Date: March 16, 2011 AMEC File No. 5-6317-0001

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  1. Semi-pervious Blanket Levee Aquifer Semi-pervious Blanket Levee Aquifer Scale: None Drawn by: MG Date: March 16, 2011 AMEC File No. 5-6317-0001 LEVEE ILLUSTRATION

  2. CUTOFF WALLS- Narrow slots filled with slurry. DEEP CUTOFF WALLS-Penetrate through the aquifer to bedrock SHALLOW CUTOFF WALLS-Partially penetrate the aquifer BEDROCK Scale: None Drawn by: LS Date: March 16, 2011 AMEC File No. 5-6317-0001 WOOD RIVER PLANS AND CROSS SECTIONS

  3. SEEPAGE BERM Adds weight to landside surface. Abuts the levee. Slopes away from levee. SOIL FILL IN LOW SPOTS Raises land surface. Used to fill in ditches, borrow pits etc. May not abut the levee. Scale: None Drawn by: LS Date: March 16, 2011 AMEC File No. 5-6317-0001 WOOD RIVER PLANS AND CROSS SECTIONS

  4. D-TYPE RELIEF WELLS Water flows directly from the relief well. T-TYPE RELIEF WELLS Water flows from the relief well to a collector pipe below ground. Collector connects several relief wells Scale: None Drawn by: LS Date: March 16, 2011 AMEC File No. 5-6317-0001 WOOD RIVER PLANS AND CROSS SECTIONS

  5. SOIL FILL IN DITCHES BESIDE RAILROAD Raises land surface above flood elevation. Avoids building a new levee (set-back levee) Scale: None Drawn by: LS Date: March 16, 2011 AMEC File No. 5-6317-0001 WOOD RIVER PLANS AND CROSS SECTIONS

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