Log Book, published by the Thunder Bay Timber Operators' Association. November December 1954.

Log Book, published by the Thunder Bay Timber Operators' Association. September October 1954.

Log Book, published by the Thunder Bay Timber Operators' Association. July August 1954.

Log Book, published by the Thunder Bay Timber Operators' Association. May June 1954.

Log Book, published by the Thunder Bay Timber Operators' Association. March April 1954.

Log Book, published by the Thunder Bay Timber Operators' Association. January February 1954.

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

Soil type: #29

Photographs of an area of burned down forest near Trout Lake, Ontario. The beginnings of regrowth can be seen scattered below the dead burnt trees.

Photograph A:

Photograph of a cross section of soil near Trout Lake, Ontario. The organic layer and topsoil can be clearly seen. A pencil can be seen stuck into the soil.

Soil type: #28

Photograph B:

Photograph of a cross section of…

Photograph of the unburned forest stand from the burned forest stand near Trout Lake, Ontario. The burned stand is separated from the unburned stand by a river. Two men can be seen on a boat in the river.