P1258843580svAeL

1
Sunny good visibility
Fog poor visibility
2

• Source Introduction to Visibility (U.S.
  National Park Service publication)

3
Great Smoky Mountains National Park 100 mile
visibility
4
Great Smoky Mountains National Park 20 mile
visibility
5
(No Transcript)
6
Great Smoky Mountains National Park 20 mile
visibility
7
(No Transcript)
8
(No Transcript)
9
Harald Koschmieder