Interesting read on the volcanic ash

[divide]

http://vulcan.wr.usgs.gov/Volcanoes/MSH/Tephra/msh_may18_ashfall.html

If you look at the map, the silo was located in the larger red pocket
which got the most ash.

Would have seriously sucked to be there in the 80's.

-divide

[Hybridchemistry]

This explains much about our moon like environment.