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Having a shared common source, or deriving from different but closely similar sources, provides a simple explanation for why the Cantino and Reinal maps are so much alike in almost all respects and also, crucially, why both contain similar mistakes. As I was already aware from Sharif Sakr's first report [...] these mistakes include the absence of the Kathiawar peninsula with its characteristic Gulfs of Kutch and Cambay; a distinct bulge in the north-west corner of India; enlargement of many small island groups, and a south-westerly orientation (with what Sharif describes as 'distinct lips') of the southern tip of India. In his e-mail of 23 February 2001 he then makes the crucial observation that:
'While these deviations are all errors relative to a modern map of India, they in fact match up extremely well with Glenn Milne's map of India 21,300 years ago at LGM. This inundation map shows a large indent at the mouth of the Indus, a bulge obscuring completely the Kathiawar peninsula, enlarged Lakshadweep and Maldives islands, and, most surprisingly, a SW-pointing 'mouth' shape at India's southern tip that is virtually identical to that shown by Reinal.'
It seems to me that these correlations, and the others that Sharif reported [...], are obvious, striking and speak for themselves. The only questions that need to be asked about them are: (1) do they result from the workings of coincidence? Or (2) are they there because the source maps for Cantino and Reinal were originally drawn at the end of the Ice Age -- perhaps not as far back as the LGM but certainly before the final inundation of the Gulfs of Kutch and Cambay which created the Kathiawar peninsula around 7700 years ago?
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