File:PSM V40 D238 Progressive erosion of a volcanic cone.jpg

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Description Progressive erosion of a volcanic cone
Date between 1891 and 1892
date QS:P,+1891-00-00T00:00:00Z/8,P1319,+1891-00-00T00:00:00Z/9,P1326,+1892-00-00T00:00:00Z/9
Source Popular Science Monthly Volume 40
Author Unknown authorUnknown author
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(Reusing this file)
Public domain

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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 greyscale, cropped whitespace. The original can be viewed here: Popular Science Monthly Volume 40.djvu. Modifications made by Ineuw.

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Date/TimeThumbnailDimensionsUserComment
current18:19, 12 April 2012Thumbnail for version as of 18:19, 12 April 2012855 × 1,107 (83 KB)Ineuw{{Information |Description = Progressive erosion of a volcanic cone |Source = [http://www.archive.org/details/popularsciencemo401892newy Popular Science Monthly Volume 40] |Date = 1891-1892 |Author = {{unknown|Author}} ...
03:34, 3 December 2010Thumbnail for version as of 03:34, 3 December 2010899 × 1,125 (101 KB)Ineuw{{Information |Description = Progressive erosion of a volcanic cone |Source = http://en.wikisource.org/wiki/Page:Popular_Science_Monthly_Volume_40.djvu/238 |Date = 1891-1892 |Author = Unknown |Permission = {{PD-old}}