Category:1980 Mount St. Helens ash distribution maps

Media in category "1980 Mount St. Helens ash distribution maps"

The following 3 files are in this category, out of 3 total.

• 
  1980 Mount st helens ash distribution.svg 884 × 569; 104 KB
  
• 
  1980 St. Helens ashmap.png 808 × 550; 11 KB
  
• 
  Mt st helens cendres.png 820 × 578; 110 KB