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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 155

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[page]154.[/page] Surface marked by lines of growth which near the suture because rather well defined ridges. Geol. Pos. and Loc.-- Upper Coal Measures, Kansas City, Missouri. Reference,-- Geol. of Missouri, Vol. V., page 199. [underlined][underlined]Pseudomelaniidae.[/underlined][/underlined] The member of this family have turretted shells of many volutions. The shells have oval apertures which, typically are entire, but in a few species may be notched in front. The columella is simple or slightly folded in front. [underlined]Macrocheilus paludinaeformis.[/underlined] Plate XI. figure 16. Name given by Hall, 1858, Geol. of Iowa Vol. I., part II., p.719. Soleniscus (Macrosheilus) paludinsiformis, White, 1884, Geol. Sur. Indiana, 1884, p. 154.
 
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