File:PSM V49 D269 The subterranean river midroi.jpg

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Description The subterranean river Midroy
Date
Source Popular Science Monthly Volume 49
Author Unknown authorUnknown author
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This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Extracted image from book, to grayscale, cropped whitespace. Modifications made by Ineuw. The original can be found here: Popular Science Monthly Volume 49.

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current21:56, 3 April 2011Thumbnail for version as of 21:56, 3 April 20111,678 × 1,150 (649 KB)Ineuw{{Information |Description = The subterranean river Midroy |Source = [http://www.archive.org/details/popularsciencemo49newy Popular Science Monthly Volume 49] |Date = 1896 |Author = Unknown |Permission = {{PD-old}} |

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