Waupaca County authorities are investigating a couple of recent thefts. Reports with the Sheriff’s Department say two calves were stolen from a farm in the Town of Dayton Thursday afternoon. A farmer on Crystal Lake Road reported the theft. Meanwhile, a resident off Larry Road in the Town of Lebanon says someone took their 1000-gallon propane tank earlier this week. And in the city of Waupaca, two kayaks wee stolen from a residence sometime within the past two weeks.