1 volume (various pagings) : illustrations, tables. ; 27 cm
OCLC
ocm06767326
Appendices: A. Pollen analysis of peat underlying a treeless heath area in the forest-tundra transition near Churchill, Manitoba, by Edward James Johnson. Thesis, M.A. McMaster University, oct. 1949.--B. Record of fossil and living pollen types in Fort Churchill area.--C. Plants in the Royal Botanical Gardens herbarium collected at Churchill.