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Topic: shells

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November 3, 2014 at 3:11 PM

Excavation to tunneling machine resumes; no artifacts found

Archaeologists have seen enough 19th-century shell deposits that they can let heavy excavation resume at Seattle’s Pioneer Square waterfront, where workers are digging an access pit to reach buried tunnel-boring machine Bertha. Seattle Tunnel Partners was given permission Sunday to continue digging the 120-foot-deep vault, after stopping work Oct. 23, the state Department of Transportation announced…

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Comments | More in General news, The Blotter | Topics: bertha, Highway 99 tunnel, Seattle

October 29, 2014 at 4:02 PM

Shells in Bertha’s repair vault likely from settlers’ oyster business

Old shells discovered within tunnel machine Bertha’s repair pit likely were not left by Native tribes, but by white settlers who removed oyster meat and left shell piles behind, officials say. Allyson Brooks, state historic preservation officer, said Wednesday the shells are mostly from small Olympia oysters that grew far from Elliott Bay, and later…

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Comments | More in Traffic & Transit | Topics: Allyson Brooks, bertha, Highway 99 tunnel