In 1856–1858, the Church underwent what is commonly called the Mormon Reformation. In 1855, a drought struck the flourishing territory. Very little rain fell, and even the dependable mountain streams ran very low. An infestation of grasshoppers and crickets destroyed whatever crops the Mormons had managed to salvage. During the winter of 1855–56, flour and other basic necessities were very scarce and very costly. Heber C. Kimball wrote his son, "Dollars and cents do not count now, in these times, for they are the tightest that I have ever seen in the territory of Utah."