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| 01846nam 2200313za 4500 |
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| 001 | 9.855974 |
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| 003 | CaOODSP |
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| 005 | 20231107103320 |
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| 007 | cr ||||||||||| |
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| 008 | 180430s2018 oncad ob f000 0 eng d |
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| 040 | |aCaOODSP|beng |
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| 043 | |an-cn-on|an-us-ny |
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| 086 | 1 |aM183-2/8366E-PDF |
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| 100 | 1 |aLewis, C. F. M. |
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| 245 | 10|aEstimating a reference elevation for the 1999 U.S. National Oceanic and Atmospheric Administration bathymetry map of Lake Ontario, Ontario |h[electronic resource] / |cC.F.M. Lewis, B.J. Todd, and S.E. Hayward. |
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| 260 | |a[Ottawa] : |bNatural Resources Canada, |c2018. |
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| 300 | |a14 p. : |bcol. charts, ill. |
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| 490 | 1 |aOpen file ; |v8366 |
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| 504 | |aIncludes bibliographical references. |
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| 520 | |a“Sounding data from a 1974 expedition aboard MV Martin Karlsen on Lake Ontario are compared with water depths in a 1999 bathymetry map published by U.S. National Oceanic and Atmospheric Administration to establish the reference elevation used by the map-maker. The reference elevation found was 74.0 metres above sea level, identical with the datum used by the Canadian Hydrographic Service for navigation charts in Lake Ontario between 1955 and 1985. The reference will be used to estimate the elevation of geological features beneath Lake Ontario for comparison with the elevations of onshore features”--Provided by publisher. |
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| 693 | 4|aBathymetric maps |
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| 693 | 4|aOntario, Lake (N.Y. and Ont.) |
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| 693 | 4|aElevation |
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| 700 | 1 |aTodd, Brian Jeremy. |
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| 700 | 1 |aHayward, Scott. |
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| 710 | 1 |aCanada. |bNatural Resources Canada. |
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| 710 | 2 |aGeological Survey of Canada. |
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| 830 | #0|aOpen file (Geological Survey of Canada)|v8366.|w(CaOODSP)9.506878 |
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| 856 | 40|qPDF|s702 KB|uhttps://publications.gc.ca/collections/collection_2018/rncan-nrcan/m183-2/M183-2-8366-eng.pdf |
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