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Digging Through Layers (85285 bytes)

Interested in College in Alaska?

Digging Through Layers

Recent infrastructure upgrades have provided an opportunity to see what things look like underground. It seems that there is a 2-3 foot layer of volcanic ash underneath a layer of organic material. Beneath the ash is glacial till that would have been deposited during the last ice age some thousands of years ago, I think.

Location: Sheldon Jackson College, Sitka, Alaska

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