File:Panama Canal under construction, 1907, stereograph.png

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Original file (3,720 × 1,860 pixels, file size: 3.83 MB, MIME type: image/png)

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Description
English: Excavation and removal of dirt at the Culebra Cut, Panama Canal
photographic print on stereo card / stereograph
(Original title: Where the work is being pushed with greatest energy - the famous Culebra Cut, Panama Canal)
Date first publication: 8 April 1907, North Bennington, Vermont, USA, by H.C. White Co.
Source
This image is available from the United States Library of Congress's Prints and Photographs division
under the digital ID cph.3c17221.
This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing.

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Author H.C. White Co.
Other versions
single image jpeg version
A single image jpg version for use in wikipedia articles is available as File:Panama Canal under construction, 1907.jpg.
This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: cropped border, stretched contrast, rotated clockwise 1.4 degrees and cropped accordingly, mildly sharpened.

Licensing

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Public domain
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.

Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Panama_Canal_under_construction,_1907,_stereograph.png

File history

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Date/TimeThumbnailDimensionsUserComment
current16:57, 30 September 2013Thumbnail for version as of 16:57, 30 September 20133,720 × 1,860 (3.83 MB)Jahoe (talk | contribs)mildly sharpened
16:55, 30 September 2013Thumbnail for version as of 16:55, 30 September 20133,720 × 1,860 (3.62 MB)Jahoe (talk | contribs)rotated clockwise 1.4 degrees and cropped accordingly
16:53, 30 September 2013Thumbnail for version as of 16:53, 30 September 20133,756 × 1,935 (3.79 MB)Jahoe (talk | contribs)stretched contrast
16:52, 30 September 2013Thumbnail for version as of 16:52, 30 September 20133,756 × 1,935 (3.72 MB)Jahoe (talk | contribs)cropped
16:47, 30 September 2013Thumbnail for version as of 16:47, 30 September 20134,096 × 3,302 (5.41 MB)Jahoe (talk | contribs)lossless PNG conversion of the original TIFF image, as retrieved from the Library of Congress at http://lcweb2.loc.gov/master/pnp/cph/3c10000/3c17000/3c17200/3c17221u.tif

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