. Rubber-content of North American plants. Â© -fl -Hw"^ S-Â« Â« p i if i"-liii Â§11=:^ s 1-Â° o o o g â¢OT3 a 8 So. O 9 o o o o 'O 'O 'O "O o o o o o o o o rl o p o o "5 Â§ to. I f 3 ^^ Is- 55 as â¢as d d ISIS DQ â¢^ d cl S K o S ft Â§â Â§â¢ :Â§â¢Â§â¢ a â¢a a d ? o I C4 & 6 cocooiooacoooo CO M S 00 5 CO i noboort-ioioi'HoooimOoococom. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Hall, Ha

. Rubber-content of North American plants. Â© -fl -Hw"^ S-Â« Â« p i if i"-liii Â§11=:^ s 1-Â° o o o g â¢OT3 a 8 So. O 9 o o o o 'O 'O 'O "O o o o o o o o o rl o p o o "5 Â§ to. I f 3 ^^ Is- 55 as â¢as d d ISIS DQ â¢^ d cl S K o S ft Â§â Â§â¢ :Â§â¢Â§â¢ a â¢a a d ? o I C4 & 6 cocooiooacoooo CO M S 00 5 CO i noboort-ioioi'HoooimOoococom. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Hall, Harvey Monroe, 1874-1932; Long, Frances Louise, joint author. Washington, Carnegie institution of Washington

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Keywords: ., bookcentury1900, bookdecade1920, bookpublisherwashi, bookyear1921

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