| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
equipment personnel soil research techniques period attire study |
| Location: | Fort Valley Exp. Forest; AZ; USA |
| Description: | taking soil moisture measurements |
| Date: | 07/12/1955 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
grazing soil seedling sample plot |
| Organisms: | ponderosa pine |
| Location: | Fort Valley Experimental Forest; AZ; USA |
| Description: | Excellent reproduction of ponderosa pine in a fallen tree top on a clay flat |
| Date: | 06/06/1930 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
soil regeneration reproduction |
| Organisms: | engelmann spruce |
| Location: | Fort Valley Experimental Forest; AZ; USA |
| Description: | Oats grown in two soils from Engelmann spruce type |
| Date: | 09/14/1929 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
soil erosion fence line effect sample plot repeat set |
| Location: | Fort Valley Experimental Forest; AZ; United States |
| Description: | Coulter Ranch |
| Date: | 1928 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
soil reproduction |
| Organisms: | ponderosa pine |
| Location: | Fort Valley Exp. Forest; AZ; USA |
| Description: | Soil left in good condition for reproduction |
| Date: | 1925 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
grazing soil |
| Organisms: | ponderosa pine |
| Location: | Fort Valley, Coconino N.F.; AZ; United States |
| Description: | stony clayey (type 124), surface |
| Date: | 12/1920 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
soil seeding/planting |
| Organisms: | ponderosa pine |
| Location: | Fort Valley Experimental Forest; AZ; USA |
| Description: | Yellow pine seedlings 5 years old |
| Date: | 06/16/1920 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
soil seeding/planting |
| Organisms: | ponderosa pine |
| Location: | Fort Valley Experimental Forest; AZ; USA |
| Description: | Yellow pine seedlings 5 years old |
| Date: | 06/16/1920 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
soil seeding/planting |
| Organisms: | pine |
| Location: | Fort Valley Experimental Forest; AZ; USA |
| Description: | Western yellow pine transplants |
| Date: | 04/19/1920 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
soil seeding/planting |
| Organisms: | engelmann spruce |
| Location: | Fort Valley Experimental Forest; AZ; USA |
| Description: | Engelmann spruce transplants |
| Date: | 04/19/1920 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
soil seeding/planting |
| Location: | Fort Valley Experiment Station; AZ; United States |
| Description: | Freezing experiment. Pots in snow pack. |
| Date: | 1920 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
grazing soil regeneration |
| Organisms: | pine |
| Location: | Fort Valley Experimental Forest; AZ; United States |
| Description: | Heavy soil is packed by overgrazing |
| Date: | 1919 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
soil seedling |
| Organisms: | ponderosa pine |
| Location: | Fort Valley Experimental Forest; AZ; USA |
| Description: | Root system of ponderosa pine sapling |
| Date: | 1918 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
soil decay regeneration rocky soil sample plot |
| Location: | Fort Valley Experimental Forest; AZ; United States |
| Description: | ponderosa pine reproduction |
| Date: | 1913 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
soil grasses sample plot |
| Organisms: | pine |
| Location: | Fort Valley Experimental Forest; AZ; United States |
| Description: | Coulter Ranch |
| Date: | 1913 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
logging soil brush sample plot |
| Organisms: | gambel oak |
| Location: | Fort Valley Experimental Forest; AZ; United States |
| Description: | Fort Valley Experimental Forest, Coulter Ranch |
| Date: | 1913 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
cleared plots soil brush sample plot |
| Location: | Fort Valley Experimental Forest; AZ; United States |
| Description: | Coulter Ranch |
| Date: | 1913 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
logging soil sample plot |
| Location: | Fort Valley Experiemental Forest; AZ; United States |
| Description: | Coulter Ranch |
| Date: | 1913 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
soil mountain |
| Location: | Fort Valley Experimental Forest; AZ; United States |
| Description: | snow melt in park |
| Date: | 03/18/1911 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
personnel soil grounds period attire nursery |
| Location: | Fort Valley Exp. Forest; AZ; USA |
| Description: | Taking soil samples |
| Date: | 1910 |




















