Police and volunteers searched Silver Springs State Park near Yorkville Saturday for missing Plainfield mother Lisa Stebic.

She was last seen by her estranged husband in the early evening on April 30.

Plainfield Police and the Plainfield Emergency Management Agency are leading the search.

Click here for a video report from MyFoxChicago.com.

The park along the Fox River includes thick forest and open grasslands. Plainfield Deputy Police Chief Mark Eiting said the Stebic family visited the park frequently.

Family members are offering a reward of more than $60,000 for information about Stebic's whereabouts.

Plainfield police said there are no suspects and consider the case a missing person investigation.