| Beskrivelse | Records regarding 'Sample Plots' investigations in North Wood. Material includes: a reprinted article by James Macdonald 'Sample Plot Methods in Great Britain'; a report, 'The Estimation of the Volume of Current Increment of Sample Plots, Checked by Trees Felled for Stem Analysis'; reports, notes, figures, and data for Dartington Hall Sample Plots 1-4 in North Wood; and correspondence between Wilfred E Hiley and W Guillebaud, Forestry Commission regarding the redwood sample plot. |