I think there have been two things. I'll talk about a lot of things in the oil sands industry, but it also applies to the natural gas industry. Water use has gone down for the amount of production, which is going up, so they're finding more ways to reuse the water.
For the oil sands in particular, they have been using water out of the Athabasca River and they want to try to minimize that. The latest projects have what we call off-site storage, essentially a lake next door to their plant, in order that during those low-flow periods, they can draw water from that lake rather than draw it from the Athabasca River. That's becoming more—