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File:Sounding pole.jpg

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Description A sounding pole
Date
Source Lea, Samuel Hill (1905) Hydrographic Surveying. Methods, Tables and Forms of Notes. New York: The Engineering News Publishing Co.
Author Samuel Hill Lea
Permission
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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:Sounding_pole.jpg

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Date/TimeThumbnailDimensionsUserComment
current04:24, 17 April 2018Thumbnail for version as of 04:24, 17 April 2018471 × 1,770 (107 KB)Shyamal (talk | contribs){{Information |Description=A sounding pole |Source= Lea, Samuel Hill (1905) Hydrographic Surveying. Methods, Tables and Forms of Notes. New York: The Engineering News Publishing Co. |Date=1905 |Author=Samuel Hill Lea |Permission={{pd-1923}} |other_versions= }} Category:Hydrography

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