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Fine color chromolithograph of a Geological model of the earth's core and surface, including an illustration of a Volcano.
Originally issued as an educational aid, Yaggy's charts are among the most distinctive and stunning comparative charts ever published. Unlike the smaller, simpler and more analytical comparative charts found in atlases.
Yaggy's views are exquisite and scarce examples of multi-stone lithography with each stone carrying a different color ink to build up the image to a complex, beautiful image.