SFGTV November 17, 2014
Stone based construction in the lower right of the photo has begun and you can see the projection with the dam takes place and couple of photos here this is a verify looking down stream with the concrete replacement of the left abatement this is to replace landslide materials that had to be removed and use the concretes for the foundation interests about 10 thousand cubic yards of concrete for the rack replacement this backflow concrete its hard to see the scale from the photos but that is about...
Source: archive.org