Protein survey map (showing individual points) of western Canada : Grades 1-2-3 Northern
- A26.72 (S)
- Item
- 1930?
Item is a colour thematic map (cartogram) identifying the prevailing (range of) protein content for grain grown in Western Canada during the 1929-1930 crop year; only the areas adjacent railway lines are highlighted. Individual place names are identified on map. Map has inset summary tables by province and grade showing the number of samples, and maximum, minimum and average protein content distribution; and summary tables showing the protein content as a proportion of the crop.
Grain Research Laborary (Canada)