Series used by the Forestry Department to determine a plot-by plot summary of tree size, species, and condition. All reports include county name;township, range, and section numbers; and forty plot numbers. Reports include periodic annual increment report (shows age/board foot increases for the years 1959, 1966, 1969); summary species tables (shows size, board feet, number of trees, and average tree height by species); Physiological and classification recapitulation; statistical analysis; error message listing; plot detail listing (tree by tree analysis); log volume content; and computed ratios for measured trees. Subjects include forest resource management, timber cruising, geographic information sytems, long-range planning, forest yield projections, and sustained yield forests.