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Filter: FULL_DATE of 1951
Filter: Subject of canals
| Date: | 1951 |
|---|---|
| Description: | Water depths shown by bathymetric tints, isolines, and soundings. Relief shown by contours. "Soundings in feet." "Aids to navigation corrected to May 4, 19... |
| Date: | 1951 |
|---|---|
| Description: | Water depths shown by bathymetric tints and soundings. Relief shown by contours. "Depths in feet." "Aids to navigation corrected to May 4, 1951." On verso:... |
| Date: | 1951 |
|---|---|
| Description: | This map shows Ashland and Washburn harbors in shades of blue and yellow. Water depths shown by isolines and soundings, and relief is shown by contours. Th... |
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