 Blue Knob Auto Sales near the Duncansville area in Pennsylvania has added a pre-owned 2022 Chevrolet Blazer to its inventory. DUNCANSVILLE, Pa., Jan. 14, 2023 PRNewswire-PRWeb Customers near Duncansville, Pennsylvania, who are in search of a pre-owned mid-size sporty SUV should check out the used 2022 Chevrolet Blazer now available at Blue Knob Auto ...... 