Copy of Mr Barralliers sketch of Port Hunter [Newcastle Harbour] below Hunter river. It is a survey; but above it a sketch from compass bearings and guessed distances, made in a boat going up the river; and here the distances are judged to be too great. I take three of his land miles to make two goegraphic. May 15 1810 M.F.
Copy of Mr Barrallier's sketch of the rivers above Port Hunter, Australia, with annotation by Flinders. Made in ink on tracing paper and dated 15 May 1810. Scale: 1:200,000 (bar). . No graduation. Magnetic North to the right. Scale of 3[land] miles [=18mm].