New research on Maya reservoirs at Ucanal shows near-pristine biological water quality for 1,500 years — and toxic mercury in every sample. They managed what they could see. The rest was invisible. #MayaArchaeology #Archaeometry #AncientWater https://www.anthropology.net/p/what-maya-reservoir-sediments-reveal
What Maya Reservoir Sediments Reveal About Sanitation, Mercury, and Urban Life at Ucanal

A new geochemical study finds ancient Maya water managers succeeded at what they could see and failed at what they couldn't.

Anthropology.net