[Piscataqua Harbour and Portsmouth]Two sheets. Engraved. Scale: ca. 1:25 000 (bar). Cartographic Note: Variation shown 7 degrees 45' W. Graduated. Bar scales in statute and nautical miles. Additional Places: Portsmouth, Maine, New Hampshire.  Plate changes: Shading added to the coastal land. Soundings inserted. Page number '*9' engraved top left. Other features: Printed on Bates paper. Border yellow, town red, settlements yellow and brown.<br>
HNS 106B [Piscataqua Harbour and Portsmouth]
<div class="fn value">
Des Barres; Joseph Frederick Wallet Des Barres</div>
1779<div style="display: none;">date QS:P571,+1779-00-00T00:00:00Z/9</div>
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