Sierra Ancha Experimental Forest historical photographs

Historical photographs from USDA Forest Service Research work at Sierra Ancha Experimental Forest in Arizona. Subjects of the photographs include research techniques, locations of sample plots, harvesting methods, climatological equipment, diseases, planting, and other factors impacting a forest. Repeat photo series contain information of environmental changes over time.
Photo documentation of USDA Forest Service Research projects at Sierra Ancha Experimental Forest.
For additional information about Sierra Ancha Experimental Forest visit: https://research.fs.usda.gov/rmrs/forestsandranges/locations/saef.

Original metadata date was 01/17/2007, and minor metadata updates were made on 03/18/2013 and 05/23/2014. On 08/01/2016 the URL to access these images was updated along with a few other minor metadata updates. Minor metadata updates on 12/19/2016. On 11/30/2017 the URL to access these images was updated again. On 09/06/2019 a DOI was assigned to this data publication along with other minor metadata updates. Additional minor metadata updates were made on 04/07/2025.