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Coal Measures and Coal Mining in Iowa, including paleontology and a discussion on the coal formation; also the methods of mining by Russell T. Hartman, 1898

Coal Measures and Coal Mining in Iowa by Russell T. Hartman, 1898, Page 53

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[page]52.[/page] covering all of the surface except the base which has a wrinkled epitheca and is usually attached to some foreign body. Geol. Pos. Missouri stage of Coal Measures. Localities.-- Winterset, Iowa; Edwardsport, Knox County, Indiana, Eugenes, Vermillion County, Indiana; Also at places in Illinois. [underlined][underlined]Syringoporidae[/underlined][/underlined] The distinguishing feature of this family is the cylindrical corallites which are connected at intervals by hollow connecting processes or by horizontal expansions of the walls. [underlined]Syringopora multattenuata[/underlined] Plate IV. figure 6. McChesney, 1860. Descriptions New Paleozoic Fossils, p. 75. Made up of large clusters of corallites, which are set, usually, one to
 
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