Letter from H. G. Vennor to B.J. Harrington regarding the Geological Survey of Canada.
Document from the Department of Crown Lands relating to the earthquake in the parish of Saint-Basile, Quebec, asking for a geologist to look into the event. Appended to document are related notes by Bernard.
Letter from R.H. Gairdner to B.J. Harrington.
Letter from John G. Miller to B.J. Harrington, written from Lake Gregan.
Letter from John Usborne to B.J. Harrington, written from Arnprior.
Letter from Alfred Clarke to B.J. Harrington, written from New York.
Letter, 16 January 1872
Letter, 1 March 1877
Letter from Frank Packard to B.J. Harrington, written from Montreal.