Front:
SHOWING 2 PROCESSES OF SALT MINING IN CENTRAL KANSAS
OOK SALT MINE
es
SANDY SOIL
78 FT.
ROCK
ROCK SALT
MINE LEVEL 630 T
RINE
RINE
Back:
40
4079
In addition to the usual method of drilling and
blasting, the evaporation process for mining salt is
also used. Fresh water is forced down through pipes
to the salt vein, the brine thus formed is pumped
to the surface and evaporated. In this process, the
salt is never touched by human hands.
Pub. by Woodgifts, Columbus, Kansas