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| A more detailed view of the approaching shoreline from the early Holocene to the present. Positions are labeled with calendar (not radiocarbon) age. Note that the 2800 and 1500 cal B.P. shorelines are inland of their present positions because the Sabine delta had not yet built out. Sabine and Heald banks formed during the Holocene over the filled and submerged Trinity/Sabine/Calcasieu valleys. Adapted from Rodriguez et al. (2004:Fig. 15). . |