Collection search - Harbours and Anchorages in Hudson Bay and Strait [cartographic material] : [including Ashe Inlet, Stupart and Hebron Bays, Ports de Boucherville and Burwell, Marble Island and York Roads] / sketch surveys by Lieutenant A.R. Gordon R.N., assisted by Messrs. W.A. Ashe, D.L.S. and J.W. Tyrrell, P.L.S., Hudson Bay Expedition, 1886