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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