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Summary

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
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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, 1930.
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Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Sounding_leads.jpg

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current04:24, 17 April 2018Thumbnail for version as of 04:24, 17 April 2018901 × 486 (112 KB)Shyamal{{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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