The problem of the Ohio mounds / by Cyrus Thomas.
- Thomas, Cyrus, 1825-1910.
- Date:
- 1889
Licence: Public Domain Mark
Credit: The problem of the Ohio mounds / by Cyrus Thomas. Source: Wellcome Collection.
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Licence: Public Domain Mark
Credit: The problem of the Ohio mounds / by Cyrus Thomas. Source: Wellcome Collection.