We try to get away from the Noah's ark approach to conservation, where you have two of each. It is a specialty. The act provides for our process to be put in place to evaluate the lighthouses using a number of criteria, and often it's weighted criteria with a scoring system. That's how the railway stations were reviewed as part of that legislation.
There are a number of factors. I don't think it's really fair to try to arrive at a particular number. Again, as we've talked about throughout the course of this hearing, one of the factors is ultimately ownership, who these places end up being owned by.
The goal of this legislation is to recognize and protect heritage character, and also to engage communities in the process of deciding what's important to them and being part of protecting it.