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<div class="moz-cite-prefix">On 2/24/14, Robert Batchelor wrote:<br>
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<blockquote cite="mid:B2DECFB0552E40E3B90018700D5B8B2C@Desktop"
type="cite">Antartica was almost always partially blank well into
the 1950's on most commercial maps, but the fashion shifted
towards both filling in space and to not showing parts of
Antartica that were uncertain--cf. the National Geographic World
Map of 1960 for example which at points almost appears medieval in
its annotations. But I suspect that there were still maps in the
60's and 70's with blank spaces in Antartica and elsewhere. After
1972, landsat and even before that aerial photography allowed for
at least the illusion of comprehensiveness, and the problem then
becomes the level of generality.</blockquote>
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<br>
I suppose if you stretch the subject, you might consider the
following (this specifically excludes silences predicated on
geographic ignorance):<br>
<br>
Silences and Secrecy: The Hidden Agenda of Cartography in Early
Modern Europe<br>
Author(s): J. B. Harley<br>
Source: Imago Mundi,<br>
Vol. 40 (1988), pp. 57-76<br>
Stable URL: <a class="moz-txt-link-freetext" href="http://www.jstor.org/stable/1151014">http://www.jstor.org/stable/1151014</a><br>
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Full text: <a class="moz-txt-link-rfc2396E" href="http://www.history-takes-place.de/wp-content/uploads/2010/06/brunnlechner_gerda_harley_silences_secrecy_im40_1988.pdf"><http://www.history-takes-place.de/wp-content/uploads/2010/06/brunnlechner_gerda_harley_silences_secrecy_im40_1988.pdf></a><br>
<br>
Joel Kovarsky<br>
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data-font-name="Helvetica" data-canvas-width="0">Silences and
Secrecy: The Hidden Agenda of Cartography in Early Modern Europe</div>
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<pre class="moz-signature" cols="72">--
Joel Kovarsky
The Prime Meridian
1839 Clay Drive
Crozet, VA 22932 USA
<a class="moz-txt-link-freetext" href="http://www.theprimemeridian.com">http://www.theprimemeridian.com</a></pre>
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