Please join us for Xiong Zhang seminar tomorrow, April 10th at 12:15 PM in WALC 3121. Get a chance to hear about the Indefinability of Effective Stress for Unsaturated Soils. Don't miss out! Thank you, Emma Montes Administrative Assistant Lyles School of Civil and Construction Engineering o: 765-494-5025 [Purdue University]<https://www.purdue.edu/?utm_source=signature&utm_medium=email&utm_campaign=purdue>