about 2 dollars
$3.50 at a supermarket
Approx. 500 000 tons each year.
1Kg of salt costs Rs11 in India
2.99 on average
$3.48
12cents
Bochnia Salt Mine was created in 1248.
Wieliczka Salt Mine ended in 1996.
it cost, half million dollars...
This salt mine is in Pakistan: Khewra (Punjab region).
less than $1