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UTM Indian 1960 conversion

Question asked by vinaheritage on Mar 16, 2015

I have a set of Vietnam Topographic maps from the late 1960's with grids in UTM. The projection listed in Indian 1960 (it doesn;t mention which one)

 

I want to bring these maps into my mobile map viewer (Memory Map) but need to callibrate the tiffs to UTM WGS84. There is a discrepancy of approx -330m east and +270m north. (APPROX)

 

Can anyone help to pinpoint which conversion this may relate to?

 

Assistance appreciated!

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