Linda Hall Library of Science, Engineering, & Technology
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Caption for Image on the Online Exhibition page

The image on the Online Exhibition page shows columnar basalt formations at Regla in Mexico. It is from Humboldt, Alexander Frieherr von (1769-1859). Researches, concerning the institutions & monuments of the ancient inhabitants of America. London, 1814 (see exhibit item 40).

A larger version of the image appears below. Click on the image to return to the Online Exhibition page.