Log Book, published by the Thunder Bay Timber Operators' Association. May June 1955.

Log Book, published by the Thunder Bay Timber Operators' Association. July August 1955.

Log Book, published by the Thunder Bay Timber Operators' Association. September October 1955.

Log Book, published by the Thunder Bay Timber Operators' Association. November December 1955.

Log Book, published by the Thunder Bay Timber Operators' Association. Firebook 1955.

Photograph of ground surface in burned forest stand near Trout Lake, Ontario. Small patches of regrowth can be seen on the ash covered surface. A small spade can be seen in the center of the image.

Photographs of a cross sectional view of soil in burned forest near Trout Lake, Ontario. The organic, topsoil and subsoil layers can clearly be seen. A spade can be seen in both photographs.

Soil type: #29

Photographs of a cross sectional view of soil in burned forest near Trout Lake, Ontario. The organic, topsoil and subsoil layers can clearly be seen.

Soil type: #29

Photograph of a bare rock area at a burned forest near Trout Lake, Ontario. Many burnt trees can be seen littered through the regrowth. A body of water can be seen at the bottom of the image.

Aerial photograph of burned and unburned forest stands near Obustiga Lake, Ontario. The contrast between the grey burned areas and unburned green areas can clearly be seen in this photograph.

Soil type: #32