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    Sunrise over Vallejo and Mt. Diablo as viewed from Cullinan Ranch
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    American Avocets feed in shallow tidal waters
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    Recently restored tidal marsh in the San Francisco Bay
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    Sandpipers take flight in a tidal lagoon
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    A quiet slough in the Napa Sonoma Marsh
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    Tidal marsh transitions to open water in the San Pablo Bay NWR

Latest News

 

8/4/14 - Geofoam is being utilized underneath the slopes of the embankment to prevent future settlement of the roadway. The first of many deliveries arrived on site today. Foam will be placed in the ditch at the toe of the embankment. Learn more about geofoam and its application here.

  • Geofoam being loaded off trucks
  • Stacks of geofoam as seen from the highway
 

 

7/28/14 - The contractor has mobilized on site and will begin stripping the highway embankment of existing vegetation and cleaning the ditch at the toe. This work will require the shoulder to be closed and will be ongoing for 2-3 months.

7/14/14 - Dredge material from the Mare Island dry docks is being placed inside Cullinan Ranch in order to raise site elevations so that it can support marsh vegetation. Over 80,000 CY of material is expected to be placed in the coming months. An clamshell offloader unloads barges into the site from Dutchman Slough.

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7/10/14 - Phase III construction has been awarded and the contractor will be mobilizing on site by early August. Construction is anticipated to continue into January 2015 when levees will be breached and the site restored.