Excuse Me, Sir, There's Some Lint on Your Stalactite...
![](https://www.nationalparkstraveler.org/sites/default/files/styles/npt_square2/public/default_images/npt_icons_0.png?itok=8J64sZS9)
How do you use tweezers and brushes to "tune up" a cave? Volunteers at Oregon Caves National Monument will find out on September 26.
- By Jim Burnett - September 21st, 2009 10:42am