DIY History | Transcribe | Scholarship at Iowa | 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 148

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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 148

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[page]147.[/page] latter part of last volution marked by several transverse folds, and by a nodulose median band or ridge. Surface also marked by lines of growth. Geol. Pos. and Loc. Coal Measures of Western States. Reference. Geol. of Missouri, Vol. V., page 227. [underlined]Bellerophon carbonarius[/underlined], Cox. Plate XI. figure 11. Bellerophan urii, Gleming, 1828, British Animals. B. carbonarius, Cox, 1857, Geol. Survey of Kentucky Vol. III., p.562. B. blaneyanus, McChesney, 1860, New Paleozoic fossils. B. subpapillosus, White, 1879, U.S. Geol. Survey of Territories, Vol. V., page 218. Shell small or of medium size, sub-globose, broadly rounded over the periphery, umbilicus closed by the expansion of the last volution;