Penn State’s Ag Progress Days is back with a wide range of activities, exhibits Penn State’s Ag Progress Days will be held Aug. 10-12 at the Russell E. Larson Agricultural Research Center at Rock Springs. Image: Penn State Penn State’s Ag Progress Days is back with a wide range of activities, exhibits August 02, 2021 UNIVERSITY PARK, Pa. — After a year-long postponement due to the COVID-19 pandemic, Penn State’s Ag Progress Days is back with a full schedule of demonstrations, activities and learning for all ages. The expo begins Aug. 10 and continues through Aug. 12 at the Russell E. Larson Agricultural Research Center at Rock Springs in Ferguson Township, Centre County.