Black and white photograph of buildings and piled logs. The photograph could be a lumber yard in western Canada. In the far right of the photograph is a grain elevator

Photo of Bf horizon in profile Slide # 61; n.b. iron colouration and the fine particles coating the larger grains, i.e. illuviation. Spodosol, HBM, C.

Photo of Ae in profile in Slide # 61; n.b. dominancy of silica grain illustrating weathering and removal, i.e. eluviation. Spodosol, HAM, C.

Photo of a black solodized solonetz by Soil survey in Alberta. Aridisol, P, C, D.

A black and white collection of photographs of various buildings in Port Arthur, Ontario, Canada. The buildings have been identified from top left to bottom right as follows:

1. Hospital and convent
2. Presbyterian church
3. High school
4.…

A black and white photograph of a collection of six drawings of various buildings in Port Arthur, Ontario, Canada. Owners/names of individual buildings have been identified from top left to bottom right as (along with any additional information…

A collection of six black and white photographs of various nature sites that can be found in the Thunder Bay District, Ontario, Canada. Photos display the following from top left to bottom right:

1. Current River falls
2. Mount McKay
3. Kakabeka…

A collection of six black and white photographs of various mining sites during the silver mining boom of the 1880's in the Thunder Bay District. These mining sites were collectively a part of the largest silver mining project in Canada at the time.…

A collection of eight black and white photographs of various mining sites during the silver mining boom of the 1880's in the Thunder Bay District. These mining sites were collectively a part of the largest silver mining project in Canada at the time.…

A collection of eight black and white photographs of various mining sites during the silver mining boom of the 1880's in the Thunder Bay District. These mining sites were collectively a part of the largest silver mining project in Canada at the time.…