Joplin District folio, Missouri-Kansas
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Folios of the Geologic Atlas↗
Geology topics
William Sidney Tangier Smith
Publications and source records attributed to William Sidney Tangier Smith.
Sundance folio, Wyoming-South Dakota
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Folios of the Geologic Atlas↗
Hartville folio, Wyoming
The Geological Survey is making a geologic map of the United States, which necessitates the preparation of a topographic bas map. The two are being issue together in the form of an atlas, the parts of which are called folios. Each folio consists of a topographic base map and geologic maps of a small area of country, together with explanatory and descriptive texts.
Wyoming↗