Upside-down! LOL Seriously: They were dug down, level by level, shoring up the walls with wood. When the water began to seep in they stopped digging and began building the walls up from the bottom,...
Wells are naturally occuring and have natural spring water in them. In most wells the makers have dug deep into the ground and struck water. The water, in turn wells up (hence the term well) and...
If anything contaminates the water, it would really not be good to use. It would best if you boiled water you got out of a well you aren't certain about drinking from.
The above contributor...