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Media Types: Exhibits- Media Types: Images
- Geographic Location: Saint Louis River
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- Survey of Lake Superior. Sheet 1 [1823-25]
![Survey of Lake Superior. Sheet 1 [1823-25]](https://images.MaritimeHistoryoftheGreatLakes.ca/images/MHGL000122596t.jpg "Survey of Lake Superior. Sheet 1 [1823-25]")
Survey of Lake Superior by Lieut Henry W'y Bayfield, R. N. assisted by Mr. Philip Ed. Collins, Mid. between the Years 1823 & 1825 NB The soundings are in Feet Sheet 1 --inset-- Track Survey of the River St. Louis by Mr. Philip Ed. Collins, Mid. under the direction of … Survey of Lake Superior by Lieut Henry W'y Bayfield, R. N. assisted by Mr. Philip Ed. Collins, Mid. between the Years 1823 & 1825 NB The soundings are in Feet …Maritime History of the Great Lakes - Survey of Lake Superior. Sheet 1 [1823-25, 1863]
![Survey of Lake Superior. Sheet 1 [1823-25, 1863]](https://images.MaritimeHistoryoftheGreatLakes.ca/images/MHGL000122612t.jpg "Survey of Lake Superior. Sheet 1 [1823-25, 1863]")
Survey of Lake Superior by Lieut Henry W'y Bayfield, R. N. assisted by Mr. Philip Ed. Collins, Mid. between the Years 1823 & 1825 NB The soundings are in Feet Sheet 1 Variation in 1860, decreasing about 4' annually --inset-- Track Survey of the River St. Louis by Mr. Philip … Survey of Lake Superior by Lieut Henry W'y Bayfield, R. N. assisted by Mr. Philip Ed. Collins, Mid. between the Years 1823 & 1825 NB The soundings are in Feet …Maritime History of the Great Lakes
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