Wisconsin. Marsh Haven Nature Center, Waupun, Wisconsin. This is a 46-acre private, non-profit environmental education facility with nature center, overnight lodge, tent camping accommodations, hiking trails, and educational programs. Duties flexible but could include upkeep of visitor facilities, staffing visitor center, and performing maintenance duties such as trail work, general cleanup, - weekend work required. Looking for volunteers during peak visitor time of May 1 – Labor Day. Timeframe commitment is flexible. Provided: gravel pad, 50 amp RV site, 300-gallon holding tank, water hookup, picnic table. This is an unpaid position. Submit cover letter, resume, and three references to: [email protected]