Figure 12. Intra-Pliocene Doppler Map derived in the same manner as that in Figure 11. 1=Starved abyssal plain; 2=shelf/slope retrogradation, down slope transport of sediments and faunas; 3=Minibasin filling in depo-axis. Fluvial axes: B=Brazos; R=Red; M=Mississippi; T= Tangipahoa.