Inspiration Drilling
Appearance
Inspiration Drilling was a business in Thunder Bay.[1]
Advertisements
1972, Geology Journal
Advertised in the Geology Journal (1972), p. 48, with the address printed as Thunder Bay, Ontario; North Bay, Ontario. Diamond drilling, rotary drilling, tie-back systems, and soil sampling services.[1]

References
- ↑ 1.0 1.1 Lakehead University Geology Journal (1972), p. 48. Internet Archive.