Siege of 's-Hertogenbosch by Frederik Hendrik. Clearly visible are the trenches towards the city defenses and fortresses, 1629. Fort Isabelle, Fort St. Anthoine, Petteler Schans.
<bdi><a href="https://en.wikipedia.org/wiki/en:Joan_Blaeu" class="extiw" title="w:en:Joan Blaeu"><span title="Dutch cartographer (1596-1673)">Joan Blaeu</span></a>
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<a rel="nofollow" class="external free" href="http://repository.tudelft.nl/view/MMP/uuid:38c171c7-22ab-4182-8e35-6773141773d4/?fullscreen=1">http://repository.tudelft.nl/view/MMP/uuid:38c171c7-22ab-4182-8e35-6773141773d4/?fullscreen=1</a> / Toonneel der Steden van de Vereenighde Nederlanden, Amsterdam, J. Blaeu, 1649