Recherche dans la collection - Sketch of exploratory survey for the Quebec & L. St. J. Railway from the Gosford railway near Rivière-aux-Pins to Lac-aux-Rognons by the Tourili Valley. Lorette, 31t March 1880. Henry O'Sullivan, P.L.S. C.E. R. Shanly, C.E. [cartographic material]

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