National Geologic Map Database
Product Description Page
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Title: Structural map on top of the Jordan sandstone [upper Mississippi Valley]
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Author(s): Trowbridge, A.C.
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Publishing Organization: Kansas Geological Society
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Series and Number: Guidebook for the Annual Field Conference no. 9 [p. 358]
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Larger Work: Trowbridge, A.C., ed., Upper Mississippi Valley: Iowa City, Iowa to Duluth, Minnesota
- Publication Date: 1935
- Map Scale: 1:2,500,000
- Cross Section: None
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.