On the record of what was built, there's actually incredible, high-definition black and white photography of the construction. Our engineers have a lot of detail of people literally bolting connections together in the steel work. That, in conjunction with the drawings that they do, has allowed them to start the story. The investigations are what complete the story. That deals with the issue here. There are quite good records.
As Mr. Wright said, the building information model, which you are probably aware of from the work that Carleton University did before the project, is something that is being continually built on. We continue to work with Carleton University to refine that model and add new information to it as we go and as we discover things. It's a very complete record of what is here and what is going to be done.