| Collection: | Fort Valley Experimental Forest historical photographs |
| Organisms: | ponderosa pine |
| Location: | Tusayan N.F.; AZ; USA |
| Description: | Recovery of injured pine reproduction |
| Date: | 11/04/1933 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Organisms: | ponderosa pine |
| Location: | Tusayan N.F.; AZ; USA |
| Description: | Pine reproduction |
| Date: | 11/04/1933 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Organisms: | ponderosa pine |
| Location: | Tusayan N.F.; AZ; USA |
| Description: | Recovery of injured pine reproduction |
| Date: | 11/04/1933 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Organisms: | ponderosa pine |
| Location: | Tusayan N.F. |
| Description: | Recovery of injured pine reproduction |
| Date: | 11/04/1933 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Organisms: | ponderosa pine |
| Location: | Tusayan N.F.; AZ; USA |
| Description: | Recovery of injured pine reproduction and bud formation |
| Date: | 11/04/1933 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: | reproduction |
| Organisms: | ponderosa pine |
| Location: | Tusayan N.F.; AZ; USA |
| Description: | Recovery of injured pine reproduction showing injury and recovery |
| Date: | 11/04/1933 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
reproduction Improvement study |
| Organisms: | ponderosa pine |
| Location: | Tusayan National Forest; AZ; USA |
| Description: | Cooperrider-Cassidy study |
| Date: | 11/03/1933 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
regeneration Improvement study |
| Organisms: | ponderosa pine |
| Location: | Tusayan National Forest; AZ; USA |
| Description: | Cooperrider-Cassidy study |
| Date: | 11/03/1933 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
reproduction study |
| Organisms: | ponderosa pine |
| Location: | Tusayan National Forest; AZ; USA |
| Description: | Cooperrider-Cassidy study |
| Date: | 11/03/1933 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
seedling study |
| Organisms: | ponderosa pine |
| Location: | Tusayan National Forest; AZ; USA |
| Description: | Specimen 25 (by ruler) |
| Date: | 11/03/1933 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
animal damage seedling study |
| Organisms: | ponderosa pine |
| Location: | Tusayan National Forest; AZ; USA |
| Description: | Cooperrider-Cassidy study |
| Date: | 11/03/1933 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: | litter |
| Organisms: | ponderosa pine |
| Location: | Prescott National Forest; AZ; USA |
| Description: | Excellent mat of leaf litter in a 40-year-old stand of ponderosa pine |
| Date: | 11/02/1933 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: | litter |
| Organisms: | ponderosa pine |
| Location: | Prescott National Forest; AZ; USA |
| Description: | Excellent mat of leaf litter in a 40-year-old stand of ponderosa pine |
| Date: | 11/02/1933 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: | litter |
| Organisms: | ponderosa pine |
| Location: | Prescott National Forest; AZ; USA |
| Description: | An old gully sealed by needle litter |
| Date: | 11/02/1933 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
thinning litter |
| Organisms: | ponderosa pine |
| Location: | Prescott National Forest; AZ; USA |
| Description: | Thinned and pruned stand of ponderosa pine about 40 years old |
| Date: | 11/02/1933 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
thinning litter |
| Organisms: | ponderosa pine |
| Location: | Prescott National Forest; AZ; USA |
| Description: | A 40-year-old stand of ponderosa pine on the Prescott National Forest, Arizona |
| Date: | 11/02/1933 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
thinning litter |
| Organisms: | ponderosa pine |
| Location: | Prescott National Forest; AZ; USA |
| Description: | A 40-year-old stand of ponderosa pine on the Prescott National Forest, Arizona |
| Date: | 11/02/1933 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: | thinning |
| Organisms: | ponderosa pine |
| Location: | Prescott National Forest; AZ; USA |
| Description: | Thinned sample plot No. 2 |
| Date: | 11/02/1933 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: | thinning |
| Location: | Prescott National Forest; AZ; USA |
| Description: | Thinned and pruned sample plot No. 2 |
| Date: | 11/02/1933 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: | thinning |
| Organisms: | ponderosa pine |
| Location: | Prescott National Forest; AZ; USA |
| Description: | Thinned and pruned sample plot No. 2 |
| Date: | 11/02/1933 |




















