Category:Insect enemies of the spruce in the Northeast - a popular account of results of special investigations, with recommendations for preventing losses (1901)

Media in category "Insect enemies of the spruce in the Northeast - a popular account of results of special investigations, with recommendations for preventing losses (1901)"

The following 4 files are in this category, out of 4 total.

Insect enemies of the spruce in the Northeast - a popular account of results of special investigations, with recommendations for preventing losses (1901) (14585001528).jpg 1,716 × 3,292; 2.79 MB
Insect enemies of the spruce in the Northeast - a popular account of results of special investigations, with recommendations for preventing losses (1901) (14585167907).jpg 1,480 × 2,912; 1.82 MB
Insect enemies of the spruce in the Northeast - a popular account of results of special investigations, with recommendations for preventing losses (1901) (14748638976).jpg 1,688 × 3,300; 2.96 MB
Insect enemies of the spruce in the Northeast - a popular account of results of special investigations, with recommendations for preventing losses (IA insectenemiesofs28hopk).pdf 750 × 1,250, 124 pages; 9.3 MB

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