Bibliography of diamond drilling
Edition: 1948 ed. compiled by E.J. Longyear company, Minneapolis, Minnesota and Canadian Longyear, limited, North Bay, Ontario, Canada, with assistance of Engineering societies library, New York.
Published: 1948
Language: eng
Number of pages: 52
Notes: Cover-title.

Supplement no. 1, March 15, 1949. [8] p.