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Spruce helped win the war : a portrayal of the personnel, railroad construction, timber cutting and shipping, camp life and kindred subjects necessary to the production of airplane spruce in unlimited quantities for the United States and her allies.



















Spruce helped win the war : a portrayal of the personnel, railroad construction, timber cutting and shipping, camp life and kindred subjects necessary to the production of airplane spruce in unlimited quantities for the United States and her allies. (1918), [LMON_text_075]. Museum of Flight Digital Collections, accessed 15/04/2026, https://digitalcollections.museumofflight.org/nodes/view/29725



