That's the standard for that.

Some of the harmonics of seismic events will reveal some surprising results.

One area will have a spate of chimneys that topple, and another won't. Why one area resonates and another doesn't is complicated.

Perhaps we are going to have to think about this again. I know this administration wants to see more. But how we're going to get them is difficult to say because they're so expensive. The last estimate I saw was $1 million a mile. There just isn't the money.