"We had this picket line; across the street from our picket line was a counterpicket line, which was being conducted by the reactionary groups in Delano. They were shouting things like “Go home, Spic,” and saying a lot of four-letter words to the women on the picket line. In fact, the officers went over and shook hands with them, and were conversing with them. The counterpickets opened up a tank of ammonia, and the strikers were getting gagged from ammonia."
January 1, 1970
https://en.wikiquote.org/wiki/Dolores_Huerta