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Illustration of Carboniferous Landscape. Album caption: Carboniferous Landscape. Franz Unger. Note: This is a photo print of the illustration. Printed on the illustration, "Steinkohlen-Periode. Periode Houillere". Unger, Franz. Ideal Views of the Primitive World in Its Geological and Palaeontological Phases. 1863. Categories: Image; Tags: Lee, W.T. Collection, photo print Illustration of Carboniferous Period Landscape. Franz Unger. Album caption: Same as photograph number 1313 - lwt01313. Note: This is a photo print of the illustration. Printed on illustration, " "Steinkohlen-Periode. Periode Houillere". Unger, Franz. Ideal Views of the Primitive World in Its Geological and Palaeontological Phases. 1863. Categories: Image; Tags: Lee, W.T. Collection, photo print