. Gopher destruction [microform]. Ennemis des cultures, Lutte contre; Agricultural pests; Pocket gophers; Gaufres (Animaux). . Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Grisdale, J. H; Canada. Dept. of Agriculture. Ottawa : Dept. of Agriculture

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectagricul, bookyear1916