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 231

Transcribe
Translate

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 231

Saving...

PLATE X. 1,a,b. Nuculana bellistriata 124 2. Schizodus wheeleri 126 3,a,b. Schizodus symmetricus 128 4,a,b. Astartella vera 129 5,a,b. Allorisma subcuneata 131 6,a,b. " [ditto for Allorisma] (Sedgwickia) granosa 132 7. Edmondia nebrascensis 134