Cleaning Up Mt. Rushmore

  • Playlist
  • Download
  • Embed
    <iframe src="http://www.npr.org/player/embed/4730642/4730643" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

In South Dakota, the four famous faces on Mt. Rushmore are getting a well-needed scrub. The monument to presidents George Washington, Thomas Jefferson, Theodore Roosevelt and Abraham Lincoln has become threatened by colonies of microbes. Michele Norris talks with Thorsten Moewes of the Alfred Karcher Company about their efforts to clean the monument.



Please keep your community civil. All comments must follow the NPR.org Community rules and terms of use, and will be moderated prior to posting. NPR reserves the right to use the comments we receive, in whole or in part, and to use the commenter's name and location, in any medium. See also the Terms of Use, Privacy Policy and Community FAQ.

NPR thanks our sponsors

Become an NPR sponsor

Support comes from