Quadrat study volunteers inspect plots of the prairie

On Thursday, docent Mary Jo Murphy showed a rattlesnake master plant to quadrat study volunteers Imi Cheng and two family members visiting from Taiwan. Another public quadrat study will take place on July 28. A special study for Fermilab employees will take place on August 16. For more information, contact Sue Sheehan at (630) 840-5058. Photo: Joseph Piergrossi