Land | 15 | |
Ocean / Sea | 2 | |
Surface Waters / Wetlands | 2 | |
Weather | 2 | |
Arachnids | 1 | |
Atmosphere | 1 | |
Fungi | 1 | |
Insects | 1 | |
Microbes | 1 |
Burial Site | 23 | |
Cultural Impact | 10 | |
Buildings | 3 | |
Economic Impact | 1 | |
Human Health | 1 | |
Safety | 1 | |
Sanitation | 1 | |
Transportation | 1 | |
Water Management | 1 |
1 | 1 | 1 | 3 | 1 | 8 | 2 | 3 | 2 |
|
|
|
|
|
|
|
|
|
1 | 1 | 2 | 1 | 1 | 2 | 3 | 6 | 2 | 3 |
|
|
|
|
|
|
|
|
|
|
FALL | 11 | |
SPRING | 4 | |
SUMMER | 4 | |
WINTER | 3 |
United States | 18 | |
Russia | 1 |