Figure F7. Summary stratigraphic section for the Magothy (Turonian or Coniacian), Bass River (Cenomanian to Turonian), and Potomac Formations (Cenomanian to ?Albian) from the Millville borehole. BRI = Bass River I sequence, BRII = Bass River II sequence, BRIII = Bass River III sequence. LSF = lowstand shoreface. HST = highstand systems tract, MFS = maximum flooding surface, TST = transgressive systems track, FS = flooding surface.