This is a worthwhile project:
http://news.aol.com/article/cyark-laser-mapping-of-mount-rushmore/598753?icid=main|main|dl1|link3|http%3A%2F%2Fn ews.aol.com%2Farticle%2Fcyark-laser-mapping-of-mount-rushmore%2F598753
http://archive.cyark.org/
Sorry--don't know why the top link doesn't work--maybe it is simply too long to work! There is always cut and paste, of course.