Detail of a map of Maastricht during the siege of 1632, published in 1642 by Cornelis Danckaert in his <i>Historis, etc</i>. Here the fortifications and encampments around the northern pontoon bridge over the river Meuse.
<bdi><a href="https://en.wikipedia.org/wiki/en:Matth%C3%A4us_Merian_the_Elder" class="extiw" title="w:en:Matthäus Merian the Elder"><span title="Swiss-born engraver, publisher (1593 - 1650)">Matthäus Merian</span></a>
</bdi>
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