Biodiversity Heritage Library · page-23537853
Rubber-content of North American plants — Illustration, Page 43
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BHL classifies this scanned page as Illustration. Publication: Rubber-content of North American plants. Publication creators (not identified as the page's illustrator): Hall, Harvey Monroe, 1874-1932; Long, Frances Louise.. Contributing institutions: University of California Libraries. Bibliographic metadata supplied by BHL under CC0; image rights are separate.
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1921. Rubber-content of North American plants — Illustration, Page 43. https://www.biodiversitylibrary.org/page/23537853
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