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Geo-Draft

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Geo-Draft was a business in Thunder Bay.^[1]

Advertisements

1980, Geology Journal

Advertised in the Geology Journal (1980), scan page 46, with the address printed as R.R. 12, Boyko Road, Thunder Bay, Ontario P7B 5E3. Drafting services for geological and geophysical maps, charts, slides, and diagrams.^[1]

Advertisement, 1980

References

↑ ^1.0 ^1.1 Lakehead University Geology Journal (1980), scan page 46. Internet Archive.

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