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| Second Welland Canal - Book 1, Survey Map 15 - Hydraulic Race and Aqueduct in Grantham | 330 |
| November 2012 | December 2012 | January 2013 | February 2013 | March 2013 | April 2013 | May 2013 | |
| Second Welland Canal - Book 1, Survey Map 15 - Hydraulic Race and Aqueduct in Grantham | 35 | 31 | 49 | 34 | 28 | 35 | 24 |
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| BUA20019f.jpg | 124 |
| BUA20019f.jpg.jpg | 19 |
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| Canada | 44 |
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| Saint Catharines | 44 |