Fonds consists of 45 glass-plate lantern slides featuring scenes from Osterhout's work with B.C. First Nations, including Haida, Tsimshian and Kwakwaka'wakw. Images document First Nations individuals, communities, totem poles and landscapes of British Columbia.

File consists of images of First Nations adults and children in Bella Coola, Klemtu, Bella Bella, Haida Gwaii, and Hartley Bay, BC.