2 Free Artworks of Copper Compounds

usda pomological watercolors of appleswatercolor paintings by james marion shull
Apples (Malus domestica), showing copper injury on the fruits and leaves in Pomological Watercolor POM00000032 (cropped)
watercolor paintings by james marion shullusda pomological watercolors of apples
Pomological Watercolor POM00000032
watercolor paintings by james marion shullusda pomological watercolors of apples
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