Results from spraying in nova Scotia
Sanders, G.E., Brittain, W.H.
Results from spraying in nova Scotia - Ottawa 1916 - 1-11 p. - Spraying Canada Department of Agriculture. Circular No. 7 .
Results from spraying in nova Scotia - Ottawa 1916 - 1-11 p. - Spraying Canada Department of Agriculture. Circular No. 7 .