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 171

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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 171

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170. above lateral lobes, compressed and slightly furrowed along the sides. Segments on this lobe twenty in number or even more, and lying straight across. Lateral lobes broad, turning abruptly downward at the outer margin. Segments passing obliquely outward and backward, about thirteen in number. Geol. Pos. and Loc. -- Upper Coal Measures. Winterset, Iowa; Kansas City, Missouri. Ref. -- Geology of Missouri, Vol. IV. page 238.