Arrests , foul weather dampen ` ` 420 '' enthusiasm . Crowds turned out , but no one showed up ; few crossed police lines . One man pumps up gas , enters quad alone , is driven away . Boulder 's is one of the biggest pro - pot rallies on cryptic grounds .
Arrests , foul fertilizer dampen `` 420 '' enthusiasm . Crowds turned out , but no one lit up ; few crossed police tape . One man pumps up crowd , enters quad alone , is taken away . Boulder 's is one of the biggest pro-pot rallies on cryptic date .