Sunday, March 17. Noon-4 p.m. Free!  All ages; children younger than 15 must be accompanied by an adult.

Shake the winter blahs and come help in the annual spring cleaning. There will be indoor and outdoor work preparing for spring. Come help build or repair boardwalks and maintain the trails throughout the preserve. Or come weed and nurture our Prairie Sampler and butterfly garden. Bring a lunch and gloves and dress for the weather.