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USFS Logo Research Data Archive
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Ponderosa pine seedlings growing in test tubes. The tubes extend through 1" thick sheets of plastic insulation material into light-proof wooded boxes. Air temps inside lagged behind room air temp but otherwise were similar. Study no. 1203.21
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Organisms: ponderosa pine
Location: Fort Valley Exp. Forest; AZ; USA
Description: Ponderosa pine seedlings growing in test tubes. The tubes extend through 1" thick sheets of plastic insulation material into light-proof wooded boxes. Air temps inside lagged behind room air temp but otherwise were similar. Study no. 1203.21
Date: 1966

Ponderosa pine seedlings growing in test tubes. The tubes extend through 1" thick sheets of plastic insulation material into light-proof wooded boxes. Air temps inside lagged behind room air temp but otherwise were similar. Study no. 1203.21
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Organisms: ponderosa pine
Location: Fort Valley Exp. Forest; AZ; USA
Description: Ponderosa pine seedlings growing in test tubes. The tubes extend through 1" thick sheets of plastic insulation material into light-proof wooded boxes. Air temps inside lagged behind room air temp but otherwise were similar. Study no. 1203.21
Date: 1966

Ponderosa pine seedlings growing in test tubes. The tubes extend through 1" thick sheets of plastic insulation material into light-proof wooded boxes. Air temps inside lagged behind room air temp but otherwise were similar. Study no. 1203.21
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Organisms: ponderosa pine
Location: Fort Valley Exp. Forest; AZ; USA
Description: Ponderosa pine seedlings growing in test tubes. The tubes extend through 1" thick sheets of plastic insulation material into light-proof wooded boxes. Air temps inside lagged behind room air temp but otherwise were similar. Study no. 1203.21
Date: 1966

One row of seedlings placed on a rack to measure the rooth penetration in the test tubes. The tubes were tilted 30 degrees from vertical when in the boxes so that roots would grow against the side of the tubes facing the observer. Study 1203.21
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: seedling
Location: Fort Valley Exp. Forest; AZ; USA
Description: One row of seedlings placed on a rack to measure the rooth penetration in the test tubes. The tubes were tilted 30 degrees from vertical when in the boxes so that roots would grow against the side of the tubes facing the observer. Study 1203.21
Date: 1966

Same as La-71 except pencil put in picture for scale. Seedling is 3 inches high from log
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: seedling
Location: Coulter Ranch (S5); AZ; USA
Description: Same as La-71 except pencil put in picture for scale. Seedling is 3 inches high from log
Date: 09/15/1959

Coconino S-5-IIIB. Repeat of 17012.
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Collection: Fort Valley Experimental Forest historical photographs
Keywords: study
sample plot
Location: Fort Valley Exp. Forest; AZ; USA
Description: Coconino S-5-IIIB. Repeat of 17012.
Date: 09/15/1959

aspen reproduction study
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: San Francisco Peaks
reproduction
study
Organisms: aspen
Location: Coconino National Forest; AZ; USA
Description: aspen reproduction study
Date: 08/06/1956

aspen reproduction study
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: San Francisco Peaks
reproduction
study
Organisms: aspen
Location: Coconino National Forest; AZ; USA
Description: aspen reproduction study
Date: 08/06/1956

aspen reproduction study
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: San Francisco Peaks
reproduction
study
Organisms: aspen
Location: Coconino National Forest; AZ; USA
Description: aspen reproduction study
Date: 08/06/1956

aspen reproduction study
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: San Francisco Peaks
reproduction
study
Organisms: aspen
Location: Coconino National Forest; AZ; USA
Description: aspen reproduction study
Date: 08/06/1956

aspen reproduction study
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: San Francisco Peaks
reproduction
study
Organisms: aspen
Location: Coconino National Forest; AZ; USA
Description: aspen reproduction study
Date: 08/06/1956

aspen reproduction study
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: San Francisco Peaks
reproduction
study
Organisms: aspen
Location: Coconino National Forest; AZ; USA
Description: aspen reproduction study
Date: 08/06/1956

aspen reproduction study
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: San Francisco Peaks
reproduction
study
Organisms: aspen
Location: Coconino National Forest; AZ; USA
Description: aspen reproduction study
Date: 08/06/1956

aspen reproduction study
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: San Francisco Peaks
reproduction
study
Organisms: aspen
Location: Coconino National Forest; AZ; USA
Description: aspen reproduction study
Date: 08/06/1956

aspen reproduction study
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: San Francisco Peaks
reproduction
study
Organisms: aspen
Location: Coconino National Forest; AZ; USA
Description: aspen reproduction study
Date: 08/06/1956

aspen reproduction study
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: San Francisco Peaks
reproduction
study
Organisms: aspen
Location: Coconino National Forest; AZ; USA
Description: aspen reproduction study
Date: 08/06/1956

aspen reproduction study
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: San Francisco Peaks
reproduction
study
Organisms: aspen
Location: Coconino National Forest; AZ; USA
Description: aspen reproduction study
Date: 08/06/1956

aspen reproduction study.
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: San Francisco Peaks
reproduction
study
Organisms: aspen
Location: Coconino National Forest; AZ; USA
Description: aspen reproduction study.
Date: 08/06/1956

aspen reproduction study
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: San Francisco Peaks
reproduction
study
Organisms: aspen
Location: Coconino National Forest; AZ; USA
Description: aspen reproduction study
Date: 08/06/1956

aspen reproduction study
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: San Francisco Peaks
reproduction
study
Organisms: aspen
Location: Coconino National Forest; AZ; USA
Description: aspen reproduction study
Date: 08/06/1956

aspen reproduction study
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: San Francisco Peaks
reproduction
study
Organisms: aspen
Location: Coconino National Forest; AZ; USA
Description: aspen reproduction study
Date: 08/06/1956

aspen reproduction study
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: San Francisco Peaks
reproduction
study
Organisms: aspen
Location: Coconino National Forest; AZ; USA
Description: aspen reproduction study
Date: 08/06/1956

aspen reproduction study
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: San Francisco Peaks
reproduction
study
Organisms: aspen
Location: Coconino National Forest; AZ; USA
Description: aspen reproduction study
Date: 08/05/1956

aspen reproduction study
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: San Francisco Peaks
reproduction
study
Organisms: aspen
Location: Coconino National Forest; AZ; USA
Description: aspen reproduction study
Date: 08/03/1956

aspen reproduction study
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: San Francisco Peaks
reproduction
study
Organisms: aspen
Location: Coconino National Forest; AZ; USA
Description: aspen reproduction study
Date: 08/03/1956

aspen reproduction study
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: San Francisco Peaks
reproduction
study
Organisms: aspen
Location: Coconino National Forest; AZ; USA
Description: aspen reproduction study
Date: 08/03/1956

Ponderosa Pines in the G.A. Pearson natural area.
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: study
Organisms: ponderosa pine
Location: Fort Valley Exp. Forest; AZ; USA
Description: Ponderosa Pines in the G.A. Pearson natural area.
Date:

Ponderosa Pines in the G.A. Pearson natural area of the Fort Valley Experimental Forest. (Figure 1in station paper RM-58) Study 1203.4
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Organisms: ponderosa pine
Location: Fort Valley Exp. Forest; AZ; USA
Description: Ponderosa Pines in the G.A. Pearson natural area of the Fort Valley Experimental Forest. (Figure 1in station paper RM-58) Study 1203.4
Date:

Repeats on plot S5B1, Plot excluded from grazing in 1919. Note recruitment near pine stumps.
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: sample plot
Location: Ft Valley Expt. Forest; AZ; USA
Description: Repeats on plot S5B1, Plot excluded from grazing in 1919. Note recruitment near pine stumps.
Date:

Repeat photos on plot S5B2. Plot excluded from grazing in 1919. Note dense patch of seedlings near stumps and high numbers of subsequent recruitment (1959,2006).
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: sample plot
Location: Ft Valley Expt. Forest; AZ; USA
Description: Repeat photos on plot S5B2. Plot excluded from grazing in 1919. Note dense patch of seedlings near stumps and high numbers of subsequent recruitment (1959,2006).
Date:

Repeat photos on plot S5B3. Plot excluded from grazing in 1919. Note lack of recruitment under live pines and recruitment near stump and downed log.
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: sample plot
Location: Ft Valley Expt. Forest; AZ; USA
Description: Repeat photos on plot S5B3. Plot excluded from grazing in 1919. Note lack of recruitment under live pines and recruitment near stump and downed log.
Date: