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| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: | regeneration |
| Organisms: | ponderosa pine |
| Location: | Coconino National Forest; AZ; USA |
| Description: | Ponderosa pine growing in lava beds at foot of Sunset Moutain |
| Date: | 07/1929 |
| Collection: | Sierra Ancha Historical Images |
| Keywords: |
grasses regeneration |
| Location: | Coconino NF; AZ; USA |
| Description: | Range Study |
| Date: | 05/04/1928 |
