| Educator Supplement | X |
 |
||||
| Photo Essay | X | |||||
| Background Information | X | |||||
| Background Slides | X | |||||
| Habitat Slides (all sites) | X | |||||
| Aerial Photography | ||||||
| Satellite Imagery | 1994 | |||||
| Habitat Maps | 1982 | 1988 | ||||
| Topographic Maps | 1:24,000
Mumper 1:24,000 Chadron |
1:100,000 | 1:250,000 | |||
| Land Cover Maps | 1982 | 1988 | ||||