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Subject:
Software for determining old map projections
From:
"Angie Cope, American Geographical Society Library, UW Milwaukee" <[log in to unmask]>
Reply To:
Maps, Air Photo, GIS Forum - Map Librarianship
Date:
Thu, 7 Nov 2013 06:42:53 -0600
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-------- Original Message --------
Subject:        Software for determining old map projections
Date:   Wed, 6 Nov 2013 16:28:49 -0500 (EST)
From:   David Allen <[log in to unmask]>
To:     [log in to unmask]





I am studying some early nineteenth century maps by Aaron Arrowsmith
that show projection grids (graticules), but do not state what
projection was used.  I was wondering if someone has developed software
to ascertain map projections based on the lines of the grid.  I would
think that it would be fairly easy to develop something like this, but
have not been able to turn up anything via Google.  Any leads?

David Allen
(Stony Brook University, Emeritus)

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