The telltale aroma of marijuana seeping from a storage unit allegedly led to two Rough and Ready brothers being busted for drugs and guns. An anonymous caller reported the odor to the Nevada County Sheriff’s Narcotics Task Force, and task force members served a search warrant Tuesday on the storage unit at Penn Valley Mini Storage in the 17000 block of Penn Valley Drive, said Sgt. Guy Selleck. “They popped the lock and found 10 firearms, one of which was stolen,” Selleck said. “They also found $11,400 in cash, more than 20,000 rounds of ammunition and 30 pounds of marijuana.” …