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The above is a link to Bertha’s twitter account!

This object was encountered over two weeks ago. The face of the tunnel is about 80 feet deep at the moment, not sure what the greatest depth will be - but would guess 120 feet or more as it goes under a hill. Inside the tunnel it is pressurized. But the workers need to get outside the tunnel to take a look at what is going on.

I’m surprised they didn’t just drill into the area directly in front of the object. Although I guess if they think it is manmade (building support, etc.) they don’t want to damage it. But I think at that depth and in those glacial deposits, that is highly unlikely.

I’m guessing it is a house-sized boulder dropped by a glacier.

Some guy on the Bertha site wondered if this will impact the cost. Of course not, Mr. Curious. Everybody knows the Union Goons love to volunteer their time and work for nothing.

This ill-conceived project is going to make Boston’s Big Dig look like lunch money. It’s digging under Elliott Bay (part of Puget Sound) in a known earthquake zone. The last big earthquake Seattle had, the major damage was a block inland from where this tunnel is going. Should they ever accidentally get this fiasco built, I for one will NEVER drive through it!~