Perspective Views of Barrier Island
Figure 7A: Surface map (view from south) of barrier island, spit and mainland. Deeply eroded channel (10-Mile Creek – see Figure 2) is due to millennia of post-glacial downcutting.
Figure 7B: Surface map showing deltas that developed when lake level dropped a few meters and barrier island was breached. Delta to the south remains intact while the northern delta was eroded by 10-Mile Creek.
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