The Silurian oil and gas fields of southwestern Ontario Koepke, W. E. Book - 1966 LHC 553.28 C212 Location Collection Call number Victoria Local History Collection LHC 553.28 C212 Available
Subsurface stratigraphy of ordovician rocks in southwestern Ontario Geological Survey of Canada Book - 1961 LHC 557.133 C212S Location Collection Call number Victoria Local History Collection LHC 557.133 C212S Available
Subsurface stratigraphy of Upper Cambrian rocks in southwestern Ontario Geological Survey of Canada Book - 1959 LHC 557.133 C212 Location Collection Call number Victoria Local History Collection LHC 557.133 C212 Available