Victoria Prokopovitz, then 59, was last seen around 10 p.m. last April 25 at her home on Kunesh Road in the town of Pittsfield. She left behind her purse with its contents including ID, money and her cellphone, authorities say.
In May, a dive team searched for Prokopovitz in a quarry near Pulaski. That search came up empty.
Anyone with information is asked to call the Brown County Sheriff's Investigative Division at (920) 448-4230. Anonymous tips can be sent to Crime Stoppers by calling (920) 432-7867 or sending a text message starting with the keyword GBTIP to 274637.
The reward offered by the family expires on April 23, 2014.