The Leslie Salt Company was a salt-producing company located in the San Francisco Bay Area, at the current locations of Newark, Hayward and other parts of the bay. Background They produced salt using salt evaporation ponds on the shores of the San Francisco Bay. By the 1940s, Leslie Salt under the dominant ownership of the Schilling family had become the largest private land owner in the Bay Area. By 1959, they were producing more than one million tons of salt annually, on over of bay salt ponds. They were purchased by Cargill in 1978. See also Oliver Salt Company Eden Landing Ecological Reserve Laguna Creek Watershed Don Edwards San Francisco Bay National Wildlife Refuge A box of Leslie Free Running Salt, with the brand name obscured, can be seen in The Three Stooges short "An Ache in Every Stake" (1941). References External links Defunct companies based in the San Francisco Bay Area Saltworks History of the San Francisco Bay Area Food and drink in the San Francisco Bay Area History of Hayward, California Food and drink companies based in California