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Fonds consists of the research records of Dr. Paul Sanborn, a University of Northern British Columbia faculty member in the Department of Ecosystem Science and Management.

Series consists of records created and collected in relation to research projects Dr. Paul Sanborn was engaged in, often with other colleagues, during his employment with the BC Ministry of Forests and/or the University of Northern British Columbia. These archival research records are predominantly unpublished documents, reports, data, and photographs. Some of Sanborn's research projects did not result in a formal scientific publication. In other instances, some of Sanborn's research projects resulted in only a portion of the collected data utilized for a formal publication.

Sanborn compiled details about each research project and its associated records in a summary note. Each of these notes is provided in PDF format along with its research project series. These notes serve as an essential guide for researchers who wish to interpret, utilize, and repurpose Sanborn's data for other future research projects.

EP 660 was a conventional silvicultural trial established in 1967 which involved single species plantings of lodgepole pine (Pl), white spruce (Sw), and Douglas-fir (Fd) at different spacings. Three installations were established in the Prince George - Vanderhoof area: Buckhorn Ridge, Bobtail Road, and Chilco Creek.

General details on EP 660 are given by:
Coopersmith, D., M. McLellan, and J. Stork. 1997a. Experimental Project 660 overview of three experimental installations – a 30-year progress report. B.C. Min. For., Prince George For. Reg., Res. Note #PG-12.

Details on the Buckhorn installation are given by:
Coopersmith, D., M. McLellan, and J. Stork. 1997b. Experimental Project 660 30-year progress report: Buckhorn Installation. B.C. Min. For., Prince George For. Reg., Res. Note #PG-12-1.

File contains 8 slides from 2 rolls, taken August 1997:
Roll 1 - Buckhorn Ridge:

• Slide 31 – Fd (2 x 2 m) – stand view
• Slide 32 – Fd (2 x 2 m) – forest floor view
• Slide 33 – Pl (2x 2 m) – stand view
• Slide 34 – Pl (2 x 2 m) – forest floor view
  Roll 2 – Bobtail Road:
• Slide 20 – Pl (2 x 2 m) – east plot, stand view
• Slide 21 – Pl (2 x 2 m) – east plot, stand view
• Slide 22 – Fd (2 x 2 m) – east plot, stand view
• Slide 23 – Sw (2 x 2 m) – stand view

The Archie Creek site is the informal name used for a research installation established in 1971 east of Prince George by the Canadian Forest Service, and subsequently abandoned by the end of that decade. Dr. Paul Sanborn revisited the site in 1995, and sampled forest floors and mineral soils across a range of conifer-broadleaf mixtures established by natural establishment of broadleaf trees among planted lodgepole pines.

Details of the site conditions, sampling methods, and results were published in:
Sanborn, P. 2001. Influence of broadleaf trees on soil chemical properties: A retrospective study in the Sub-Boreal Spruce Zone, British Columbia, Canada. Plant and Soil 236: 75–82. https://doi.org/10.1023/A:1011973402414

File contains 2 rolls (51 slides) taken September 25-26, 1995 that depict paired views of plot vegetation and forest floor surface. Handwritten number notations on slide frames indicate plot numbers from the original research installation.