Raisz, Erwin, 1893-1968Columbus, Christopher--Travel--Maps.JPEGfaee862b-6dc7-4ee4-bffc-9bbeb1da5db1engPublicThe Atlantic Ocean showing the track of Columbus's flagships 'Santa Maria' & 'Nina', 1492-1493. : according to his own dead reckoningMapsAtlantic Oceanbetween 1492 and 1493Pennsylvania State University