Schuylkill County Trout Unlimited will be holding a Fish Identification and Knot Tying program at 6 p.m. Friday. The members will be on hand to teach people how to identify native Pennsylvania fishes. The program will be held in the Locust Lake State Park amphitheater. This program will be held rain or shine. In case of inclement weather, it will be moved to the Locust Lake State Park program shelter located near the camp store.