>>50 years ago — Little progress was made by Rositas Dam-area farmers in their request to the Imperial Irrigation District for funds to improve the water flowing onto their farms. Water going to Rositas-area farms has salt contents greater than that of any other Imperial district.
>>40 years ago — The Imperial County Medical Society will start a series of oral poliomyelitis vaccines throughout the county in October. There is a possibility that a trivalent vaccine will be available at that time, so that a single dose of the vaccine can be given.
>>30 years ago — A good-size tropical storm — not yet labeled a hurricane — sitting about the middle of Baja California is bringing unstable air conditions and thunderstorms, including an unusual June rain to the Imperial Valley. The current grain harvest, about 85 percent completed, was stopped completely while harvesters wait for grain to dry.
>>20 years ago — Cropdusters will see how well they measure up in a series of spray trials beginning at 9 a.m. Wednesday and continuing through Thursday at the Stoker Co. airstrip, 3990 Dogwood Road. The tests are part of a continuing education program, according to Clyde Tuomela, executive director of Sacramento-based California Agricultural Aircraft Association.