Spatial Coverage
- Mars (Planet)62
- New Mexico.62
- San Francisco (Calif.)62
- Arctic regions61
- Los Angeles61
- Kane County60
- Pacific Coast (North America)60
- Powder River Basin (Wyo. and Mont.)60
- Scotland60
- Yellowstone National Park60
- Alaska.59
- Caribbean Area59
- Fremont County59
- Los Angeles (Calif.)59
- Persian Gulf59
- Romania59
- West Indies59
- Ireland58
- Lower Saxony (Germany)58
- Utah.58
