Album caption: Triassic (Keuper) Landscape. F. Unger. Note: This is a photo print of the illustration. Printed on illustration, "Periode Des Keupersandsteins. Periode Du Keuper Marnes Irisees". Unger, Franz. Ideal Views of the Primitive World in Its Geological and Palaeontological Phases. 1863.
Summary
Album caption: Triassic (Keuper) Landscape. F. Unger.
Note: This is a photo print of the illustration. Printed on illustration, "Periode Des Keupersandsteins. Periode Du Keuper Marnes Irisees".
Unger, Franz. Ideal Views of the Primitive World in Its Geological and Palaeontological Phases. 1863.
Available in the U.S. Geological Survey Denver Library Photographic Collection, Lee, W.T. Collection.
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