2 Free Artworks of The Spruce And Balsam Fir Trees Of The Rocky Mountain Region (1916)

Bulletin of the U.S. Department of Agriculture (1913-1923.) (20310597868), Annie E. Hoyle, 1917
the spruce and balsam fir trees of the rocky mountain region (1916)abies lasiocarpa (illustrations)
Bulletin of the U.S. Department of Agriculture (1913-1923.) (20489827752), Annie E. Hoyle, 1917
the spruce and balsam fir trees of the rocky mountain region (1916)abies balsamea (illustrations)
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