Dictionary of Ichthyology
lead line = 2) a weighted line used in determining water depth. Also gives an idea of the type of bottom by having a hollow end which captures a sample of mud, sand, shell, etc.
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Dictionary of Ichthyology |
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| lead line = 2) a weighted line used in determining water depth. Also gives an idea of the type of bottom by having a hollow end which captures a sample of mud, sand, shell, etc. |
| Photograph by Brian W. Coad. |