Phosphorus deficiency in jack pine at 25 days. Jack pine, 1+0, nutrient deficiency, phosphorus.

Phosphorus deficiency in seedling jack pine at 70 days from germination. Jack pine, 1+0, nutrient deficiency - phosphorus.

Phosphorus purpling in shoots of seedlings. White spruce, 2+0, nutrient deficiency, phosphorus.

Red canvas cover photo album. Imprinted in gold writing: The Whalen Building Port Arthur, Canada reinforced concrete and terra cotta eight story and basement office building constructed for the Commercial Exchange Building co., Port Arthur, Canada by…

Photo at Vivian of residual old white pine stump on deep sands that eroded after clearing for agriculture in mid 1800's. Pine were approximately 200+yrs and came in on previous Indigenous fields. Alfisol, HF, T, WN, D.

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

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

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 C horizon (waterlaid) in profile Slide # 61; n.b. individual minerals e.g. silica, feldspar and biotite. Spodosol, HCM, CM.