. A comparison of the Maquoketa formation and its fauna in Eastern Wisconsin, Iowa and Illinois. Animals; Animals; Animals; Theses. -20- Fisure View showing exposure of Lower Maquoketa "beds, Elgin slialy limestone, in the south "bank of Otter Creek, in Elgin, Iowa,. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Hsu?, Tsung Han.

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Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectanimals, bookyear1915