Collection search - Plan of development area Mallorytown Landing historic site, county of Leeds, Ontario. Department of Resources & Development, National Parks & Historic Sites Services, National Parks Branch ... Sept. 11, 1953. Surveyed and drawn by A.S. Thomas. Traced by R. D'Amours. Approved by G.W. Brott, Chief, Operations & Maintenace Engineer. Indes No. H.S.-13-51. [cartographic material]