Description: A chart from 1881showing the typical levels of geological strata. The chart shows the division of geologic time as the Azoic Age (I), Paleozoic Time (II), Mesozoic Time (III), Cenozoic Time (IV), and Era of Mind, or Age of Man (V). Place Names: Map Drawing, ISO Topic Categories: geoscientificInformation Keywords: Geological Strata, physical, physical features,
geological, geoscientificInformation, Unknown, 1881 Source: W. H. De Puy, People's Cyclopedia of Universal Knowledge Vol 1 (New York, NY: Phillips & Hunt, 1881) 790 Map Credit: Courtesy the private collection of Roy Winkelman |
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