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- Geomagnetism--Ontario--Belmont (Township)--Maps1
- Geomagnetism--Ontario--Peterborough (County)--Maps1
- Iron mines and mining--Ontario--Belmont (Township)--Maps1
- Iron mines and mining--Ontario--Peterborough (County)--Maps1
- Iron ores--Ontario--Belmont (Township)--Maps1
- Iron ores--Ontario--Peterborough (County)--Maps1
- Canada. Dept. of the Interior✖[remove]1
- Canada. Mines Branch✖[remove]1
- Haanel, B. F. (Benjamin F.), 1877-19571
- Lindeman, E. (Einar), b. 1877. Magnetite occurrences along the Central Ontario Railway1