A major addition to the main school building was made in 1998-99.
The last major addition to the school was completed in the early 1970s.
This was the only major addition to the structure over the course of its history.
The only known major addition to the Castle was done in 1920.
In 2005, the library closed for a few months and received a major addition.
This would be the last major addition to the mall.
At least that is what one major addition he completed in 1981 would suggest.
In 1988, there was the dedication of a major addition to the school.
In 1905 a major addition was made to the two-story building.
A major addition was completed in the early 1970s along the west side of the original structure.