Maybe I have done something wrong. There are now many "NR" all over the map.

Maybe I have done something wrong. I added some things to the Yellowstone NP like names for parking places and merged parts of a river. Now when I look to the Yellowstone NP the whole area has the letter "NR" all over the map. I don't think I have done it but it wasn't looking like this before I started my changes. Maybe an experience mapper can have a look why there are now so many NR all over the map. The Grand Teton NP below don't show this NR over the map.