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Pacific Southwest, Region 9: Superfund

Serving Arizona, California, Hawaii, Nevada, the Pacific Islands, and Tribal Nations

McColl

Superfund Site

PART 2

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Click on the Thumbnails for a full view of the photographs.
Click to View Liner in key section prior to backfill, Los Coyotes area (03-21-97). (486K)
Click to View Placement of sand over geocell component at Lower Ramparts, facing east (04-11-97). (485K)
Click to View Preparation of first course of reinforced earthen wall between lower and upper ramparts (04-21-97). (590K)
Click to View Continued construction of reinforced earthen wall between upper and lower ramparts (note cobbles at toe of earthen wall and sand layer and partial placement of liners in lower ramparts) (04-21-97). (424K)
Click to View Installation of vegetative layer at Los Coyotes (04-22-97). (497K)
Click to View Installation of various cap components at Los Coyotes (Geofabric showing) and lower ramparts (sand and various cap layers) (04-22-97). (661K)
Click to View Details of Reinforced Earth Structure (RES) wall between upper and lower rampart areas (05-07-97). (874K)
Click to View Placement of vegatative layer at Lower Ramparts (05-16-97). (815K)
Click to View Placement of cobble layer at NE corner of Upper Ramparts (05-19-97). (815K)
Click to View Placement of concrete foundation to support Reinforced wall at lower ramparts (06-12-97). (754K)

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