Forest County Sheriff's Office officials say they wrapped up a seven month drug investigation on Friday.
They say 30 people were arrested as a result of the investigation for charges related to trafficking of marijuana and prescription drugs.
The Crandon Police Department and the Langlade County Sheriff's Office assisted with the investigation.
The sheriff's office is not releasing the names of the people involved until formal charges are filed.
1908 Grand Avenue, Wausau, WI 54403
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