Rockies provide not only salt, but also trace elements, sometimes minerals and vitamins, for different classes of stock on every type of diet; from all forage to high concentrate, there's a Rockie in the range to suit your stock and farm Rockies are therefore manufactured to such a density and hardness that they can withstand the excesses of weather conditions that can be found in the wide range of worldwide climates Rockies are the hardest mineral licks you can buy, which mean they save you money by resisting all weather conditions