[Louisburg fortress and harbour]<br><p>Single sheet. Col. ms. Medium: Modern backing sheet. Scale: [ca. 1:5 000]. Cartographic Note: Ungraduated. Soundings and rocks shown. Scale. Additional Places: Cape Breton Island. Contents Note: Key (in pencil, top left). Fortifications.<br></p>
G246:4/42 Louisbourg harbour
<div class="fn value">
<span lang="en">Anonymous</span><span style="display:none">Unknown author</span></div>
circa 1745 <div style="display: none;">date QS:P571,+1745-00-00T00:00:00Z/9,P1480,Q5727902</div>
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