The series consists of correspondence, journals describing Blanchet’s work in the Northwest Territories and with Canol, drafts of "Search in the North" and an autobiography which was never published, and of manuscripts of articles, short stories and poetry. There are also clippings, mainly on the search for the MacAlpine party, various notebooks, and published articles written or owned by Blanchet.

A large collection of photographs, negatives, postcards and thirteen photo albums have been transferred to Visual Records accession 197901-004. The albums are annotated and relate to the north and the Peace River District.

Series consists of a surveyor's notebook containing notes, tables, formulae, etc. on surveying and surveying methods. Also contains azimuth tables, computations, notes, etc. concerning surveys on the prairies, 1878, 1882-1883.