Dateline Resources has wrapped a net present value of US$235m around its Colosseum gold project in California that is set to churn out 635,000 ounces over 8.3 years. Dateline Resources has wrapped a net present value of US$235m around its Colosseum gold project in California that is set to churn out 635,000 ounces over 8.3 years. Business / Companies Sydney Morning Herald – Latest News