Protein survey map (showing individual points) of of western Canada : Grades 1-2-3 Northern
- A26.70 (S)
- Stuk
- 1929
Item is a colour thematic map (cartogram) identifying the prevailing (range of) protein content for grain grown in western Canada during the 1927-1928 crop year with only the areas immediately adjacent railway lines are highlighted with coding. Individual place names are identified on map. Map includes inset tables summarizing by province and grade the number of samples, and the maximum, minimum, and average protein content.
Grain Research Laborary (Canada)