Ministry of Energy and Mines
| Report Number | Year | Company | Property | Work Type |
|---|---|---|---|---|
| 42E06NE0001 | 1956-1956 | J Siver | Diamond Drilling |
| Publication | Year | Title | Scale |
|---|---|---|---|
| M2137 | 1968 | Nipigon-Schreiber sheet, geological compilation series, Thunder Bay District | 253440 |
| M2543 | 1991 | Bedrock geology of Ontario, east-central sheet | 1000000 |
| OFR5327 | 1982 | Mineral potential map of Ontario, east central sheet, districts of Thunder Bay, Algoma, Cochrane, Sudbury, Timiskaming and Nipissing | 1013760 |
| M80713 | 1984 | Geochemical series, interdisciplinary research for an environmental component (acid rain) in regional geochemical surveys (Wawa area), Algoma District | 0 |
| P1098 | 1976 | Mineral deposits series, mineral potential map of Ontario, 1976, west central sheet, districts of Kenora (Patricia Portion), Thunder Bay, Algoma, and Cochrane | 1013760 |
| P1808 | 1978 | Schreiber sheet and part of Longlac sheet, zinc (ppm), District of Thunder Bay [GSC open file 506] | 250000 |
| P1041 | 1975 | Mineral deposits series, iron deposits of Ontario, west central sheet, districts of Kenora (Patricia Portion), Thunder Bay, Algoma, and Cochrane | 1013760 |
| P1043 | 1975 | Mineral deposits series, iron deposits of Ontario, east central sheet, districts of Thunder Bay, Algoma, Cochrane, Sudbury, Timiskaming and Nipissing | 1013760 |
| MC41477G | 1988 | Geophysical series, Geraldton, Ontario, airborne magnetic, vertical gradient | 50000 |
| P1816 | 1978 | Schreiber sheet and part of Longlac sheet, mercury (ppb), District of Thunder Bay [GSC open file 506] | 250000 |
| P1815 | 1978 | Schreiber sheet and part of Longlac sheet, molybdenum (ppm), District of Thunder Bay [GSC open file 506] | 250000 |
| P1228 | 1977 | Mineral deposits series, gold deposits of Ontario, east central sheet, districts of Thunder Bay, Algoma, Cochrane, Sudbury, Timiskaming and Nipissing | 1013760 |
| M2555 | 1991 | Quaternary geology of Ontario, east-central sheet | 1000000 |
| P3132 | 1989 | Geological series, Quaternary geology, Geraldton-Longlac area, District of Thunder Bay | 50000 |
| P2842 | 1986 | Compilation series, geochronology compilation map for Ontario, sheet 3: east-central Ontario, all isotopic systems | 1013760 |
| P0241 | 1984 | Compilation series, Geraldton sheet, Thunder Bay and Cochrane districts | 126720 |
| ARM17B | 1908 | Map of the iron industry of Ontario, showing location of iron deposits, also iron and steel works | 5068800 |
| P2591 | 1983 | Industrial minerals of Ontario | 1500000 |
| P3321 | 1995 | Known Kimberlites of Eastern Ontario | 50000 |
| P3533 | 2004 | Tectonometamorphic Map of Ontario | 500000,500000 |
| M2190 | 1970 | Ontario geology and principal minerals | 4224000 |
| M2196 | 1971 | Ontario geological map, explanatory text, legend, diagrams, title, scale | 1013760 |
| M1927A | 1927 | [Ontario: index map showing maps accompanying Annual Reports 1891-1927] | 2217600 |
| M1939A | 1939 | [Ontario: index map showing maps accompanying Annual Reports 1891-1939] | 1900800 |
| M1946-03 | 1946 | Geological map of the Province of Ontario | None |
| M1953A | 1953 | Mineral map of the Province of Ontario | 1267200 |
| M1957A | 1957 | Mineral map of the Province of Ontario | 1267200 |
| M1958A | 1958 | Ontario Province map showing geological maps published by the Ontario Department of Mines, 1891-1958 | 1267200 |
| M1958B | 1958 | Geological map of the Province of Ontario | 1267200 |
| M2024 | 1963 | Ontario mineral map | 1584000 |
| M2103 | 1966 | Ontario geology and principal minerals | None |
| M2148 | 1968 | Ontario mineral map | 1584000 |
| M2211 | 1971 | Ontario, geology and principal mineral collecting localities | 4224000 |
| M2310 | 1974 | Ontario mineral map | 1584000 |
| M2358 | 1976 | Clay and shale deposits of Ontario | 2000000 |
| M2389 | 1977 | Ontario, geology and principal minerals | 4224000 |
| M2391 | 1979 | Ontario geological map, explanatory text, legend, diagrams, title, scale | 0 |
| M2440 | 1981 | Geological highway map, northern Ontario | 1600000 |
| M2472 | 1985 | Ontario mineral map | 1584000 |
| M2505 | 1986 | Mines and Minerals Division, administrative areas and offices | 1584000 |
| M2506 | 1986 | Geological highway map, northern Ontario | 1600000 |
| M2545 | 1991 | Bedrock geology of Ontario, explanatory notes and legend | 0 |
| M2579 | 1992 | Chart A-Archean tectonic assemblages, plutonic suites, and events in Ontario | 0 |
| M2580 | 1992 | Chart B-Archean tectonic assemblages, plutonic suites, and events in Ontario | 0 |
| M2581 | 1992 | Chart C-Proterozoic tectonic assemblages, plutonic suites, and events in Ontario | 0 |
| M2582 | 1992 | Chart D-Paleozoic and Mesozoic depositional sequences and events in Ontario/Distribution of Paleozoic and Mesozoic depositional sequences | 0 |
| M2583 | 1992 | Tectonic assemblages of Ontario, explanatory notes and legend | 0 |
| M2199 | 1971 | Ontario geological map, west central sheet | 1013760 |
| M2542 | 1991 | Bedrock geology of Ontario, west-central sheet | 1000000 |
| OFR5326 | 1982 | Mineral potential map of Ontario, west central sheet, districts of Kenora (Patricia Portion), Thunder Bay, Algoma, and Cochrane | 1013760 |
| M02149G | 1963 | Geophysical series, Yucca Lake, Thunder Bay District, Ontario, airborne magnetic, total field | 63360 |
| P1810 | 1978 | Schreiber sheet and part of Longlac sheet, lead (ppm), District of Thunder Bay [GSC open file 506] | 250000 |
| P1246 | 1977 | Mineral deposits series, molybdenum deposits of Ontario, east central sheet, districts of Thunder Bay, Algoma, Cochrane, Sudbury, Timiskaming, and Nipissing | 1013760 |
| M2597 | 1992 | Shaded image of vertical gravity gradient of Ontario, west-central sheet | 1000000 |
| P1527 | 1978 | Mineral deposits series, Ontario mineral potential, Longlac sheet, districts of Thunder Bay and Cochrane | 250000 |
| P2300 | 1980 | Mineral deposits series, vein silver deposits of Ontario, east central sheet, districts of Thunder Bay, Algoma, Cochrane, Sudbury, Timiskaming, and Nipissing | 1013760 |
| M2554 | 1991 | Quaternary geology of Ontario, west-central sheet | 1000000 |
| P2426 | 1982 | Mineral deposits series, uranium and thorium deposits of Ontario, east central sheet, Thunder Bay, Algoma, Cochrane, Sudbury, Timiskaming, and Nipissing districts | 1013760 |
| MC21477G | 1988 | Geophysical series, Geraldton, Ontario, airborne magnetic, residual field | 50000 |
| M1944A | 1944 | [Power transmission lines and stations serving mining industry] | 1267200 |
| M2518 | 1987 | Surficial geology of northern Ontario | 1200000 |
| P1812 | 1978 | Schreiber sheet and part of Longlac sheet, cobalt (ppm), District of Thunder Bay [GSC open file 506] | 250000 |
| MS265 | 1965 | Thunder Bay, surficial geology | 506880 |
| ARM25B | 1916 | Part of Ontario showing the locations of lead and zinc deposits | 2217600 |
| P3361 | 1996 | Detailed Geology of the Con Lake Showing, Kenty South Occurrence and Coulee No. 2 Occurrence, Onaman River Area, Onaman-Tashota Greenstone Belt | None |
| P1817 | 1978 | Schreiber sheet and part of Longlac sheet, arsenic (ppm), District of Thunder Bay [GSC open file 506] | 250000 |
| P1806 | 1978 | Schreiber sheet and part of Longlac sheet, uranium (ppm), District of Thunder Bay [GSC open file 506] | 250000 |
| P0278 | 1965 | 1962 aeromagnetic survey composite map [north of Lake Superior] | 1013760 |
| P2427 | 1982 | Mineral deposits series, uranium and thorium deposits of Ontario, west central sheet, Kenora (Patricia Portion), Thunder Bay, Algoma, and Cochrane districts | 1013760 |
| ARM26B | 1917 | Part of Thunder Bay District, traversed by Canadian Northern Railway | 126720 |
| P3362 | 1996 | Detailed Geology of the D-9 Prospect, D-9 South Extension, Abitibi Price Prospect and Cane Showing, Onaman River Area, Onaman-Tashota Greenstone Belt | None |
| P0970 | 1974 | Mineral deposits series, uranium and thorium deposits of Ontario, west central sheet, districts of Kenora (Patricia Portion), Thunder Bay, Algoma, and Cochrane | 1013760 |
| M2585 | 1991 | Shaded image of total magnetic field of Ontario, west-central sheet | 1000000 |
| P2843 | 1986 | Compilation series, geochronology compilation map for Ontario, sheet 4: west-central Ontario, all isotopic systems | 1013760 |
| P0971 | 1975 | Mineral deposits series, uranium and thorium deposits of Ontario, east central sheet, districts of Thunder Bay, Algoma, Cochrane, Sudbury, Timiskaming, and Nipissing | 1013760 |
| M2590 | 1991 | Vertical magnetic gradient of Ontario, east-central sheet | 1000000 |
| M2586 | 1991 | Shaded image of total magnetic field of Ontario, east-central sheet | 1000000 |
| P0452 | 1970 | Aeromagnetic maps of carbonatite-alkalic complexes in Ontario | 4224000 |
| P1811 | 1978 | Schreiber sheet and part of Longlac sheet, nickel (ppm), District of Thunder Bay [GSC open file 506] | 250000 |
| M20075G | 1973 | Geophysical series, 42 E/10c, Ontario, airborne magnetic, total field | 25000 |
| P1245 | 1977 | Mineral deposits series, molybdenum deposits of Ontario, west central sheet, districts of Kenora (Patricia Portion), Thunder Bay, Algoma, and Cochrane | 1013760 |
| P1813 | 1978 | Schreiber sheet and part of Longlac sheet, manganese (ppm), District of Thunder Bay [GSC open file 506] | 250000 |
| M2393 | 1978 | Ontario geological map, east central sheet | 1013760 |
| M30002G | 1974 | Geophysical series, Jellicoe Project, Ontario, airborne magnetic, total field | 125000 |
| M2594 | 1991 | Bouguer gravity of Ontario, east-central sheet | 1000000 |
| M2102 | 1966 | Tashota-Geraldton sheet, geological compilation series, Thunder Bay and Cochrane districts | None |
| M2667 | 2003 | Precambrian Geology Compilation Series - Longlac Sheet | 250000 |
| M20079G | 1973 | Geophysical series, 42 E/10d, Ontario, airborne magnetic, total field | 25000 |
| M2598 | 1992 | Shaded image of vertical gravity gradient of Ontario, east-central sheet | 1000000 |
| M1934B | 1938 | [N Ontario: principal prospecting areas] | None |
| M2589 | 1991 | Vertical magnetic gradient of Ontario, west-central sheet | 1000000 |
| P2299 | 1980 | Mineral deposits series, vein silver deposits of Ontario, west central sheet, districts of Kenora (Patricia Portion), Thunder Bay, Algoma, and Cochrane | 1013760 |
| M02150G | 1963 | Geophysical series, Geraldton, Thunder Bay District, Ontario, airborne magnetic, total field | 63360 |
| M2232 | 1973 | Nipigon-Schreiber, geological compilation series, Thunder Bay District | 253440 |
| P3599 | 2008 | Precambrian Geology of the Hudson Bay and James Bay Lowlands Region Interpreted from Aeromagnetic Data-South Sheet | 500000,500000 |
| M5080 | 1980 | Steel Lake, NTS 42E/SE, data base map, northern Ontario engineering geology terrain study | 100000 |
| P0452-REV | 1970 | Aeromagnetic maps of carbonatite-alkalic complexes in Ontario | 4224000 |
| M5078 | 1980 | Longlac, NTS 42E/NE, data base map, northern Ontario engineering geology terrain study | 100000 |
| M82705 | 2015 | Airborne Magnetic and Gamma-Ray Spectrometric Surveys, Shaded Colour Image of the Second Vertical Derivative of the Residual Magnetic Field and Keating Coefficients, Lac des Mille Lacs-Nagagami Lake Area | 50000 |
| P1818 | 1978 | Schreiber sheet and part of Longlac sheet, fluorine in water (ppb), District of Thunder Bay [GSC open file 506] | 250000 |
| P1099 | 1976 | Mineral deposits series, mineral potential map of Ontario, 1976, east central sheet, districts of Thunder Bay, Algoma, Cochrane, Sudbury, Timiskaming, and Nipissing | 1013760 |
| M07102G | 1965 | Geophysical series, Longlac, Ontario, airborne magnetic, total field | 253440 |
| M2577 | 1992 | Tectonic assemblages of Ontario, east-central sheet | 1000000 |
| M2198 | 1971 | Ontario geological map, east central sheet | 1013760 |
| M82728 | 2015 | Airborne Magnetic and Gamma-Ray Spectrometric Surveys, Ternary Radioelement Image, Lac des Mille Lacs-Nagagami Lake Area | 50000 |
| M2576 | 1992 | Tectonic assemblages of Ontario, west-central sheet | 1000000 |
| P1814 | 1978 | Schreiber sheet and part of Longlac sheet, iron (%), District of Thunder Bay [GSC open file 506] | 250000 |
| M2593 | 1991 | Bouguer gravity of Ontario, west-central sheet | 1000000 |
| P1805 | 1978 | Schreiber sheet and part of Longlac sheet, sample location map, District of Thunder Bay [GSC open file 506] | 250000 |
| M2535 | 1991 | Surficial geology, Beardmore-Geraldton, Ontario | 100000 |
| M5081 | 1980 | Longlac, NTS 42E/NE, sand and gravel potential, northern Ontario engineering geology terrain study | 100000 |
| P1062 | 1977 | Mineral deposits series, nickel deposits of Ontario, east central sheet, districts of Thunder Bay, Algoma, Cochrane, Sudbury, Timiskaming, and Nipissing | 1013760 |
| P0578 | 1978 | Albany River, aeromagnetic compilation map, Algoma, Cochrane, Kenora, Sudbury, Thunder Bay, and Timiskaming districts | 1013760 |
| M82682 | 2015 | Airborne Magnetic and Gamma-Ray Spectrometric Surveys, Colour-Filled Contours of the Residual Magnetic Field, Lac des Mille Lacs-Nagagami Lake Area | 50000 |
| P0360 | 1966 | Schreiber sheet, District of Thunder Bay, geological compilation series | 126720 |
| M02141G | 1963 | Geophysical series, Wintering Lake, Thunder Bay District, Ontario, airborne magnetic, total field | 63360 |
| P1227 | 1977 | Mineral deposits series, gold deposits of Ontario, west central sheet, districts of Kenora (Patricia Portion), Thunder Bay, Algoma, and Cochrane | 1013760 |
| P0845 | 1973 | Summary of airborne geophysical data for northwestern Ontario on file at the resident geologists' offices at Kenora, Red Lake and Thunder Bay | 1013760 |
| P1809 | 1978 | Schreiber sheet and part of Longlac sheet, copper (ppm), District of Thunder Bay [GSC open file 506] | 250000 |
| P1807 | 1978 | Schreiber sheet and part of Longlac sheet, uranium in water (ppb), District of Thunder Bay [GSC open file 506] | 250000 |
| P1061 | 1975 | Mineral deposits series, nickel deposits of Ontario, west central sheet, districts of Kenora (Patricia Portion), Thunder Bay, Algoma, and Cochrane | 1013760 |
| Publication | Year | Title |
|---|---|---|
| MRD085 | 2001 | Whole Rock Lithogeochemical Data of Prospective versus Barren Volcanic Belts for Volcanogenic Massive Sulphide (VMS) Deposits, Superior Province, Ontario: Operation Treasure Hunt |
| MRD298 | 2012 | Ontario Rhyolite Database-Northwestern Ontario and the Grenville Province |
| MRD160 | 2005 | Digital Northern Ontario Engineering Geology Terrain Study (NOEGTS) |
| MRD018 | 1991 | Ternary Plots Using Lotus 1-2-3 |
| MRD022 | 1996 | Grade-Tonnage Data for the Mineral Deposits Models Described in OFR 5945 |
| MRD037 | 1998 | Ontario Geological Survey Poster Displays - PDAC March 1998 |
| MRD075 | 2001 | Geochronology Data for Ontario |
| MRD086 | 2001 | A Compilation of References for Kimberlite, Diamond and Related Topics |
| MRD100 | 2002 | Magmatic Ni-Cu +/- PGE Occurrences and Mafic-Ultramafic Bodies in Ontario |
| MRD101 | 2003 | Summary of Clinopyroxene Data |
| MRD126-REV1 | 2011 | 1:250 000 Scale Bedrock Geology of Ontario |
| MRD134 | 2004 | Detectability of Mineral Deposits with Airborne Gravity Gradiometry |
| MRD138 | 2004 | Airborne Hyperspectral Surface Mapping over Exposed and Covered Mineral Belts in Ontario |
| MRD139 | 2004 | Demonstration Surveys of the Distributed Acquisition (MT/IP) Method Earth Imaging Technology |
| MRD142 | 2004 | Lineament Extraction from Digital Elevation Model (DEM) for the Province of Ontario |
| MRD153 | 2005 | Ontario Geochemistry and Indicator Mineral Database |
| MRD164 | 2005 | Three Dimensional Surficial Geochemistry |
| MRD165 | 2005 | Use of a Soil Gas Hydrocarbon Technique to Differentiate Barren Graphitic and Sulphidic Conductors from Ore-Bearing Conductors |
| MRD166 | 2005 | Gedex Airborne Gravity Gradiometer (AGG) System |
| MRD169 | 2005 | Development of a High Bandwidth Frequency Domain EM System |
| MRD170 | 2005 | Geochemical Detection of Disseminated Palladium Mineralization in Ontario |
| MRD172 | 2005 | Development of Methods and Technology for the Discovery of New Resources Around Existing Mine Infrastructure |
| MRD175 | 2005 | Downhole Seismic Imaging Method: A New Tool for Deep Mineral Exploration |
| MRD176 | 2005 | Development and Demonstration of Novel Field-Portable Sample Preparation Methods for On-Site Geochemical Analysis |
| MRD177 | 2005 | Detectability of Mineral Deposits With Potential Field Methods |
| MRD178 | 2005 | Development and Evaluation of a 3D Vector Orientation Software Illustrated With Triaxial Gradient Magnetic Data |
| MRD179 | 2005 | Development of a Relational Physical Rock Property Database |
| MRD181 | 2005 | Detectability of Mineral Deposits With Electrical Resistivity and Induced Polarization Methods |
| MRD183 | 2006 | Development of a New Helicopter TEM System for Mineral Exploration |
| MRD185 | 2005 | A New Aircraft Compensation System for Magnetic Terrains |
| MRD216 | 2007 | Geology of the Canadian Shield in Ontario: An Update |
| MRD249 | 1987 | Whole-Rock Geochemistry of Komatiitic and Ultramafic Rocks: Data from the Komatiite Database Project |
| MRD250 | 1993 | Data from the PETROCH Lithogeochemical Database |
| MRD252 | 1995 | Digital Bedrock Mapping Symbols |
| MRD253 | 2000 | Digital Line Standards for Maps |
| MRD269 | 2010 | Abstracts, 11th International Platinum Symposium, 21-24 June 2010, Sudbury, Ontario, Canada |
| MRD270 | 1989 | OGS FIELDLOG (circa 1989) - Software for Geologists |
| MRD371 | 2018 | Ontario Specific Gravity Data for Bedrock Samples Acquired from 1970 to 2014 |
| GDS1035 | 2003 | Single Master Gravity and Aeromagnetic Data for Ontario, ASCII, Excel and Access formats. |
| GDS1036 | 2003 | Single Master Gravity and Aeromagnetic Data for Ontario, Geosoft Format |
| MRD159 | 2005 | Lithogeochemical Data for Plutonic Rocks Sampled Between 2000 and 2003 |
| GDS1078A | 2015 | Ontario Airborne Geophysical Surveys, Magnetic and Gamma-Ray Spectrometric Data, Grid and Profile Data (ASCII format) and Vector Data, Lac des Mille Lacs-Nagagami Lake Area |
| MRD114 | 2002 | Proterozoic Volcanic and Intrusive Whole Rock Geochemical Data Associated with the Keweenawan Midcontinent Rift, Lake Superior Area |
| MRD278 | 2011 | A Revised Terrane Subdivision of the Superior Province in Ontario |
| MRD230 | 2008 | U-Pb Columbite-Tantalite Geochronology of Rare-Element Pegmatites from the Superior Province of Ontario |
| MRD111 | 2002 | Electron Microprobe and Bulk Analyses of Fertile Peraluminous Granites and Related Rare-element Pegmatites, Superior Province, Northwest and Northeast Ontario: Operation Treasure Hunt |
| GeochrON | 2019 | Geochronology Inventory of Ontario2019 |
| MRD297 | 2012 | Aggregate Test Results for Various Rock Types in Ontario |
| MRD210 | 2006 | Electron Microprobe and Bulk Rock and Mineral Compositions of Barren and Fertile Peraluminous Granitic Rocks and Rare-Element Pegmatites, North-Central and Northeastern Superior Province of Ontario |
| MRD090 | 2001 | Electron Microprobe Compositions of Tantalum-Bearing Oxides and Potassium Feldspar from Rare-Element Granitic Pegmatites, Superior Province, Northwestern Ontario |
| GDS1078B | 2015 | Ontario Airborne Geophysical Surveys, Magnetic and Gamma-Ray Spectrometric Data, Grid and Profile Data (Geosoft format) and Vector Data, Lac des Mille Lacs-Nagagami Lake Area |
| GDS1037-REV | 2017 | Ontario Airborne Geophysical Surveys, Magnetic Data, Grid Data (ASCII and Geosoft Formats), Magnetic Supergrids |
| MRD358 | 2018 | Lake Sediment and Water Geochemical Data from the Greenstone Area, Northwestern Ontario |
| MRD209 | 2006 | Lithogeochemical Data for Intermediate to Felsic Rocks Sampled in 2005 |
| MRD190 | 2006 | Stratigraphic, Geochemical and Isotopic Data from Lakehead University Researchers: Lake Nipigon Region Geoscience Initiative |
| MRD184 | 2005 | Assessment of Using 3D Large-Scale Visualization and Data Integration for the Lake Nipigon Region Geoscience Initiative |
| MRD273-REV2 | 2019 | Ontario Precambrian Bedrock Magnetic Susceptibility Geodatabase for 2001 to 2017 |
| MRD232 | 2008 | Sample Location Maps for Archived Peraluminous S-Type Granites, Rare-Element Pegmatites and Miscellaneous Granitic and Migmatitic Rocks, Mainly from the Superior Province of Ontario |
| MRD187 | 2005 | GIS Compilation of Geology and Tectonostratigraphic Assemblages, Wabigoon-Winnipeg River-Marmion Transect, Western Superior Province, Ontario |
| MRD115 | 2002 | Geological and Lithogeochemical Data from Mafic-Ultramafic Bodies in Ontario as a Guide to Exploration for Platinum Group Element (PGE) Deposits: Operation Treasure Hunt |
| MRD241 | 2009 | Post-Archean Mafic (Diabase) Dikes and Other Intrusions of Northwestern Ontario, North of Latitude 49 30' |
| EDS022 | 1993 | Topographic Base Map: Seamless Coverage of the Province of Ontario |
| EDS006-REV | 2000 | Bedrock Geology, Seamless Coverage of the Province of Ontario |
| EDS011 | 1993 | Tectonic Assemblages, Seamless Coverage of the Province of Ontario |
| EDS012 | 2004 | Townships and Unorganized Area Fabric for Ontario |
| EDS013-REV1 | 2005 | Ontario Drill Hole Database--December 2005 Release |
| EDS014-REV | 2000 | Quaternary Geology, Seamless Coverage of the Province of Ontario |
| MRD395 | 2021 | Pyrrhotite Distribution in Ontario: Near-Surface Occurrences and Discussion of Deleterious Effects in Concrete |
| ODHD | 2016 | Ontario Drill Hole Database |
We are continuously updating our data. If you notice errors please contact us: Webmaster.ndm@ontario.ca.
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For detailed information regarding geoscience data in this area please contact the Thunder Bay North District Resident Geologist Office.