This event is in the "Children" group This event is in the "School-Age (ages 6-11)" group Tracks and Trails: Presented by the Allegheny County Park Rangers 2:00pm–3:00pm Children, School-Age (ages 6-11) Registration Required This event is in the "Children" group This event is in the "School-Age (ages 6-11)" group Jul 31 2024 Wed Tracks and Trails: Presented by the Allegheny County Park Rangers 2:00pm–3:00pm STEM Please note you are looking at an event that has already happened. Library Branch: Green Tree Public Library Room: Poplar Room Age Group: Children, School-Age (ages 6-11) Program Type: STEM Registration Required Body: Have you ever seen footprints in the mud and wondered what made them?