The explorers' and assayers' companion : rocks, veins, testing and assaying : volume I (complete in itself) of the third edition of Explorers', miners' and metallurgists' companion ..
The explorers' and assayers' companion : rocks, veins, testing and assaying : volume I (complete in itself) of the third edition of Explorers', miners' and metallurgists' companion ... / by J.S. Phillips.
Published
San Francisco, Calif. : From the author and booksellers, 1879.