[SunkenCiv]

The authors believe that the Teotonio waterfall is what attracted people to this location for over 9,000 years, as it was an extremely rich fishing location and an obligatory stopping point for people traveling by boat on this stretch of the Madeira river. It was the location of a fishing village (the village of Teotonio) until 2011, when residents were forced to move inland ahead of dam construction. The dam submersed the village and the waterfall. Eduardo Neves, 2011

[ckilmer]

there’s a lot of this kind research on display Charles Mann’s great book called 1491 about pre-Columbian america.

[Alas Babylon!]

“Anthropogenic Dark Earths”.

I am trying to make this for my garden beds.

I have two 20 pound bags of organic lump charcoal that I will add to rotting leaves and soil in a compost pile.