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From Porte Saint-Martin, northward, the grande rue
Saint-Martin, was crossing the City Island in front of
the cathedral by Pont Notre-Dame and Petit Pont, then
the Grande rue Saint-Jacques went up the hill
(Montagne Sainte-Geneviève), and gave access to the
south by Porte Saint- Jacques.
Part of Braun and Hogenberg map of Paris from Civitates Orbis Terrarum I -7 published in 1572.