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Mineralogy

On the "geodes" of the Keokuk Formation and the genus Biopalla, with some species

Samuel Jacob Wallace
American Journal of Science May 1878, s3-15 (89) 366-370; DOI: https://doi.org/10.2475/ajs.s3-15.89.366
Samuel Jacob Wallace
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vol. s3-15 no. 89 366-370
DOI 
https://doi.org/10.2475/ajs.s3-15.89.366

Published By 
American Journal of Science
Print ISSN 
0002-9599
Online ISSN 
1945-452X

Copyright & Usage 
GeoRef, Copyright 2008, American Geological Institute. Reference includes data from Bibliography and Index of North American Geology, U. S. Geological Survey, Reston, VA, United States

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American Journal of Science
Vol. s3-15, Issue 89
May 1878
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On the "geodes" of the Keokuk Formation and the genus Biopalla, with some species
Samuel Jacob Wallace
American Journal of Science May 1878, s3-15 (89) 366-370; DOI: 10.2475/ajs.s3-15.89.366

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On the "geodes" of the Keokuk Formation and the genus Biopalla, with some species
Samuel Jacob Wallace
American Journal of Science May 1878, s3-15 (89) 366-370; DOI: 10.2475/ajs.s3-15.89.366
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Keywords

  • Biopalla
  • geodes
  • Illinois
  • Iowa
  • Keokuk
  • Keokuk beds
  • Mineralogy
  • secondary structures
  • sedimentary structures
  • United States

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