Original photographic print included in "Northern Interior Forest Experiment Station: Report of Preliminary Investigations" by Percy Barr. Photograph depicts mature spruce and balsam reproduction.
Original photographic print included in "Northern Interior Forest Experiment Station: Report of Preliminary Investigations" by Percy Barr.
Original photographic print included in "Northern Interior Forest Experiment Station: Report of Preliminary Investigations" by Percy Barr.
Original photographic print included in "Northern Interior Forest Experiment Station: Report of Preliminary Investigations" by Percy Barr.
Original photographic print included in "Northern Interior Forest Experiment Station: Report of Preliminary Investigations" by Percy Barr.
Original photographic print included in "Northern Interior Forest Experiment Station: Report of Preliminary Investigations" by Percy Barr.
Original photographic print included in "Northern Interior Forest Experiment Station: Report of Preliminary Investigations" by Percy Barr.
Original photographic print included in "Northern Interior Forest Experiment Station: Report of Preliminary Investigations" by Percy Barr.
Original photographic print included in "Northern Interior Forest Experiment Station: Report of Preliminary Investigations" by Percy Barr.
Original photographic print included in "Northern Interior Forest Experiment Station: Report of Preliminary Investigations" by Percy Barr.
Original photographic print included in "Northern Interior Forest Experiment Station: Report of Preliminary Investigations" by Percy Barr.
Original photographic print included in "Northern Interior Forest Experiment Station: Report of Preliminary Investigations" by Percy Barr.
Original photographic print included in "Northern Interior Forest Experiment Station: Report of Preliminary Investigations" by Percy Barr. Caption states: "Note openings made in stand."
Original photographic print included in "Northern Interior Forest Experiment Station: Report of Preliminary Investigations" by Percy Barr.
Original photographic print included in "Northern Interior Forest Experiment Station: Report of Preliminary Investigations" by Percy Barr.
Original photographic print included in "Northern Interior Forest Experiment Station: Report of Preliminary Investigations" by Percy Barr.
Original photographic print included in "Northern Interior Forest Experiment Station: Report of Preliminary Investigations" by Percy Barr.
Original photographic print included in "Northern Interior Forest Experiment Station: Report of Preliminary Investigations" by Percy Barr.
Original photographic print included in "Northern Interior Forest Experiment Station: Report of Preliminary Investigations" by Percy Barr.
Original photographic print included in "Northern Interior Forest Experiment Station: Report of Preliminary Investigations" by Percy Barr.
Original photographic print included in "Northern Interior Forest Experiment Station: Report of Preliminary Investigations" by Percy Barr. Marked plot reads: "F ^ B, Plot No. 112, North End".