Figure AF1. Representative lithofacies from the Medford corehole: shell bed in the Vincentown Formation (47.7–48.3 ft; 14.5–14.7 m); Cretaceous/Paleogene boundary (60–62 ft; 18.3–18.9 m); transgressive surface in the Navesink I sequence (96.7–97.4 ft; 29.5–29.7 m).