At the height of the Peruvian guano boom, people mined poop instead of gold


Cormorants guanay Chincha Sur island 1950s guano

Excerpt: Wild at Heart

The largest reserves of marine phosphorus in the world were piled into mesas more than 150 feet high on the Chincha Islands off Peru’s southern Pacific coast. For most…
via Popular Science "https://ift.tt/2FTr3JK"

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