As you may know, the era of cannabis prohibition is ending in California on January 1. No, you probably won’t be able to walk into your local pot store on New Year's Day – the rules and regulations are still emerging. But it may be time to make sure that the history of the underground marijuana industry isn’t lost to the ages.

Reporter Sarah Reith hung out with some budding historians at the Emerald Cup, and has this report. 

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