SWAMP SWAMP stands for Surface Water Ambient Monitoring Program (California and Florida)

https://www.wildlife.ca.gov/OSPR/Science/Laboratories/Chemistry/Special-Projects/SWAMP

If you needed slaves to work in tunnels who would you pick?

https://blogs.biomedcentral.com/bmcseriesblog/2018/05/15/vitamin-d-paradox-black-americans/