Collection search - East River, N.S. Public Works, Canada. Surveyed by L.R. Voligny, Asst. Engr. Borings by L.R. Voligny, Asst. Engr. Borings by L.R. Voligny, H.M. Davey. Channel project by A.J. Matheson, C.E. Ottawa, Aug. 27th 1908. [cartographic material]