File:Sounding leads.jpg
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Date/Time | Dimensions | User | Comment | |
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current | 20:24, 16 April 2018 | 901 × 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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