<div class="description">
<dl><dd>Issued also as thesis (Ph. D) University of California, 1924</dd>
<dd>Bibliographical foot-notes</dd>
<dd>The determination of the length of a terrestrial degree by Columbus.--The route of Columbus on his first voyage as evidence of his knowledge of the winds and currents of the Atlantic.--Did Columbus believe that he reached Asia on his fourth voyage?--The identity of Florida on the Cantino map of 1502</dd>
<dd>W Redfield Estate 1986</dd></dl><br>Subjects: Columbus, Christopher; Early maps</div>
<div class="fn value">
<dl><dd>Nunn, George E. (George Emra), b. 1882</dd>
<dd>American Geographical Society of New York</dd></dl></div>
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