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41by Great Britain. Hydrographic Office, issuing body., Potter, J. D. (John Dennett), active 1830-1892, bookseller., Orlebar, J., 1810-1891, surveyor., Bayfield, Henry Wolsey, 1795-1885, surveyor., Washington, John, 1800-1863, cartographer., Great Britain. Admiralty., J. & C. Walker (Firm), engraver.“...Early Canadian nautical maps were referred to as "Bayfield charts" in honour of Henry Wolsey...”
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42by Great Britain. Hydrographic Office, issuing body., Potter, J. D. (John Dennett), active 1830-1892, bookseller., Washington, John, 1800-1863, cartographer., Orlebar, J., 1810-1891, surveyor., Bayfield, Henry Wolsey, 1795-1885, surveyor., Great Britain. Admiralty., J. & C. Walker (Firm), engraver.“...Early Canadian nautical maps were referred to as "Bayfield charts" in honour of Henry Wolsey...”
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43by Great Britain. Hydrographic Office, issuing body., Potter, J. D. (John Dennett), active 1830-1892, bookseller., Bayfield, Henry Wolsey, 1795-1885., Powell, E. J., Richards, G. H. (George Henry), cartographer., Cloué, Georges-Charles, 1817-1889, surveyor., Great Britain. Admiralty., J. & C. Walker (Firm), engraver.“...Early Canadian nautical maps were referred to as "Bayfield charts" in honour of Henry Wolsey...”
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44by Great Britain. Hydrographic Office, issuing body., Potter, J. D. (John Dennett), active 1830-1892, bookseller., Kerr, James H.,1837?-1877, surveyor., Washington, John, 1800-1863, cartographer., Orlebar, J., 1810-1891, surveyor., Bayfield, Henry Wolsey, 1795-1885, surveyor., Great Britain. Admiralty., J. & C. Walker (Firm), engraver.“...Early Canadian nautical maps were referred to as "Bayfield charts" in honour of Henry Wolsey...”
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53by Doig, J. E, Woolnough, D.E, Woolnough, D. F., Delikaraoglou, Demitris“...In August 1985 Canadian hydrographers broke new ground by being the first to use airborne laser...”
Published in The Canadian Surveyor (1986)
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Article in Journal/Newspaper -
54“...In August 1985 Canadian hydrographers broke new ground by being the first to use airborne laser...”
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Article in Journal/Newspaper -
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