32.9 MB (5.0 MB compressed)
2397 x 4800 pixels
20.3 x 40.6 cm ⏐ 8.0 x 16.0 in (300dpi)
SCIENCE SOURCE / SCIENCE PHOTO LIBRARY SCIENCE SOURCE / SCIENCE PHOTO LIBRARY
Calamites, an immense horsetail from the Carboniferous Period, grew 30 to 40 feet high. Illustration from Louis Figuier's The World Before the Deluge, 1867 American edition.
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