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Digging

San Francisco Central Subway

Digging Begins For San Francisco Chinatown Subway Project

Crews plan to start digging up a square block of San Francisco Tuesday for a new subway tunnel to Chinatown, even though funding remains up in the air.

06/12/2012

Fossils Unearthed at Caldecott Fourth Bore

ORINDA, Calif. (KCBS) Building a fourth bore at the Caldecott Tunnel is turning out to be a huge success for an unlikely group: local paleontologists.

07/18/2010