A HISTORY OF IUOE LOCAL 115. Contents Greetings Introduction The Early Years of our Trade Chapter 1 1909 to 1919 Chapter 2 1920 to 1931 Chapter 3 1931 to 1938 Chapter 4 1939 to 1949 Chapter 5 1950 to 1959 Chapter 6 1960 to 1969 Chapter 7 1970 to 1979 Chapter 8 1980 to 1991