Updated

DELAWARE, Ohio-- Police north of Columbus, Ohio, are trying to figure out how thousands of dollars in cash ended up along a highway.

Police Chief Russ Martin in the city of Delaware says there were so many bills in the median of U.S. Route 23 on Monday that an officer said it looked as though the field was growing money.

Authorities had been alerted by a motorist, and officers spent hours collecting the cash. Martin won't reveal the total except to say it was "five figures."

He tells WBNS-TV that police checked with the FBI, an armored car company and bank couriers. None reported missing any money.

The chief is confident officers rounded up all the bills, so he says drivers shouldn't stop in hopes of finding treasure.

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