One large drug bust led authorities to an even bigger one earlier this week in connection to an illegal marijuana operation in Brooklyn that nets $10 million per year. 

On March Wednesday, investigators saw two men picking up a container from ABF Freight, located at 414 Maspeth Ave., according to authorities. The duo then loaded the container into a truck and drove it to 234 Java St. 

Upon further investigation, police found that the vehicle contained about 300 pounds of marijuana, cops said. 

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A search warrant was obtained for 234 Java St. on Thursday, where police found about 100 pounds of marijuana, 1,100 packed containers of retail-ready marijuana, mushrooms, liquid THC, liquid PCP and liquid HGH — all totaling a street value of about $2.5 million, according to police. 

Authorities say they also found about $100,000 in cash and a .22-caliber North American Arms revolver. 

Members of the NYPD’s Criminal Enterprise Investigations Unit and Homeland Security arrested 36-year-old Philip Feng and 35-year-old Victor Bae and charged each of them with criminal sale of marijuana, criminal possession of a weapon, criminal possession of marijuana, criminal possession of a controlled substance and criminal possession of drug paraphernalia.