The Arapahoe County Sheriff’s Office said the call came into the agency at about 3:50 p.m. Two rescue workers ... there are six former Titan I missile complexes in Colorado and all are east ...

Quincy Avenue into what rescue workers determined was an exhaust vent tunnel for a decommissioned Titan Missile Facility ... about the incident at around 3:45 p.m. They were able to extricate ...