| Samuel Holland And John Collins: Pioneer Canadian Land Surveyors |
Davis, A.R. |
AOLS: Ontario Professional Surveyor; v.34, no.1 |
1991 |
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| Surveying the Disaster Scene |
Gibson, E.; Butcher, P. |
The Association of Ontario Land Surveyors |
1991 |
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| O.L.S. #1, Henry Strange |
Report of Committees |
AOLS: Ontario Professional Surveyor; v.34, no.2 |
1991 |
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| The Surveyor, Past and Present, and the Future Prospects for Him In Northern Ontario |
Whitson, J.F. |
AOLS: Ontario Professional Surveyor; v.34, no.1 |
1991 |
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| I Have Seen The Enemy, and it is Absurd |
Ballantyne, B. |
AOLS: Ontario Professional Surveyor; v.34, no.2 |
1991 |
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| Natural Boundary Retracement in Ontario: Some Problems, Some Reasons, Some Solutions |
Lambden, D.W.; de Rijcke, I.; Ballantyne, B. |
The Canadian Bar Association - Ontario |
1991 |
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| Reminiscences of an Old Surveyor |
Unwin, C. |
AOLS: Ontario Professional Surveyor; v.34, no.2 |
1991 |
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| Sounding Platforms- used by the Canadian Hydrographic Service |
Thompson, G. |
AOLS: Ontario Professional Surveyor; v.34, no.2 |
1991 |
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| Check It Out |
Roth, A.W. |
AOLS: Ontario Professional Surveyor; v.33, no.2 |
1990 |
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| Antique Surveying Equipment: "Gunter's Chain" |
Krehbiel, D.G. |
AOLS: Ontario Professional Surveyor; v.33, no.1 |
1990 |
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