INDUSTRY (CBSLA.com)  —    A special assignment team with the Los Angeles County Sheriff’s Department City of Industry Station has arrested eight men for their part in a $50 million marijuana grow operation.

Officials said they spent two months investigating the illegal operation.

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Search warrants were issued around 9:30 Thursday morning on  two locations in the 1100 block of Fullerton Road in Industry. Officials said a “sophisticated” indoor marijuana grow operation was discovered at both locations.

Authorities said over 16,000 marijuana plants were seized. The street value of the drug was estimated at $50 million. No money or firearms were seized.

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Eight Asian males were arrested.They are all residents of San Gabriel and Rowland Heights. Their ages range between 35-50 years-old.

The suspect’s names were not released.

The investigation is ongoing.

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Anyone with information about this operation is asked to call the Los Angeles County Sheriff’s Department’s Industry Station Deputy Nanquil or Lieutenant Parga at (626) 330-3322. If you prefer to provide information anonymously, you may call “Crime Stoppers” by dialing (800) 222-TIPS (8477).