Northwest gem trails
Subtitle: a field guide for the gem hunter, mineral collector and tourist, covering both popular and little known areas of Oregon, Washington, Idaho, British Columbia.
By: With additional material by Don MacLachlan.
Edition: 3d ed. completely rev.
Publisher: Gembooks
Published: 1962
Place of publication: Mentone, Calif
Language: eng
Number of pages: 95
Subjects: Precious stones -- West (U.S.); Precious stones -- Collection and preservation.