N. R. Gadd

• The late quaternary development of the Champlain Sea basin
• Deglaciation of Southern Quebec
• Lithofacies of Leda Clay in the Ottawa Basin of the Champlain Sea
• Pleistocene geology of the central St. Lawrence Lowland
• Quaternary geology and geomorphology southern Quebec
• Quaternary geology of southwest New Brunswick with particular reference to Fredericton area (21G)
• Surficial geology and landslides of Thurso-Russell map-area, Ontario
• Surficial geology of Saint-Sylvestre map-area, Quebec