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| Collection: | RMRS Archive Images |
| Keywords: |
canker forest pathology |
| Organisms: | aspen |
| Location: | Near Jackson Guard Station, San Juan N.F.; CO; United States |
| Description: | 14'' aspen girdled by sooty-bark canker |
| Date: | 6/1960 |
| Collection: | RMRS Archive Images |
| Keywords: |
canker forest pathology |
| Organisms: | aspen |
| Location: | Near Jackson Guard Station, San Juan N.F.; CO; United States |
| Description: | Over 60% of the stand infected with sooty-bark cankers |
| Date: | 6/1960 |
