Dr. Crispin Pierce, a nationally-recognized expert on frac sand health risks, is a Professor of Environmental Public Health at the University of Wisconsin-Eau Claire. He, his interns and students will present information on recent scientific studies regarding frac sand dust at the Colfax Municipal Building in the Cozy Theater located at 613 Main Street in Colfax, Wisconsin on Saturday afternoon, March 30th, 2019. The program will begin at 2:00 p.m.