Mosaic K1 potash mine near Esterhazy, Saskatchewan, Canada A view of mine K1, whose construction began at the end of the 1950s, and commenced production in 1962. A second mine, K2, completed in 1967, is located 10 km away, and both mines are connected by an underground tunnel. photo: Martin Mraz (image by Martin Mraz)
Mosaic K1 potash mine near Esterhazy, Saskatchewan, Canada A view of mine K1, whose construction began at the end of the 1950s, and commenced production in 1962. A second mine, K2, completed in 1967, is located 10 km away, and both mines are connected by an underground tunnel. photo: Martin Mraz
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