The officers said narcotics detector dogs found the 200 bundles of marijuana hidden among watermelons in a Nogales, Ariz., bound tractor-trailer that was attempting to cross the border from Mexico, KPHO-TV, Phoenix, reported Wednesday.

They estimated the total value of the find at $8.3 million.

Customs and Border Protection spokesman Brian Levin said the driver was arrested and placed in U.S. Immigration and Customs Enforcement custody.