Boreholes & Borehole Accessories

Boreholes & Borehole Accessories
hey all, just skimmed my new copy of Flat Earth FAQ (pretty good, Eric, bravo(!)) & keep seeing the pictures of the Kola Superdeep Borehole, shown like this:

which seems super crazy for a few reasons…

first off, when i tried researching this months ago, i had a hell of a time finding reliable photos anything like the ones above, which seem gargantuan

when i look at current photos of the plugged holes, they seem, uh… smaller

like this

& this

& …