Collection search - Chart of the bar at the mouth of Richibucto Harbour, from a survey on the ice during the winter of the year 1855. John Grant. No. 3. 172. Exhibiting the position of the borings, made to ascertain the anture of substratum and depth of sand above it; and also showing by a series of soundings the changes effected by ice & since the survey of the previous summer. [cartographic material]

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