McCLEARY, Wash. -- Investigators hope a $6,000 reward will prompt someone to come forward with information about the disappearance of an 11-year-old McCleary girl last month.

Undersheriff Rick Scott of the Grays Harbor County Sheriff's Office says the money is being offered by Crime Stoppers and the National Center for Missing and Exploited Children.

Lindsey Baum vanished June 26 after leaving a friend's house to walk home. But something happened in that short distance, and she never arrived.

The investigation, which has involved multiple local, state and federal law enforcement agencies, has turned up nothing.

At the height of the search, 75 members of the search and rescue team, as well as up to 35 officers and countless volunteers were scouring Grays Harbor County for the girl.

Baum's mother and the police chief appeared on a national TV program earlier this month to urge anyone with information to call investigators.