PROSPECTORS, MINERS, AND STUDENTS.
BY
J. C. F. JOHNSON, F.G.S.,
MEMBER OF THE AUST. INST. OF MINING ENGINEERS;
AUTHOR OF “PRACTICAL MINING,” “THE GENESIOLOGY OF GOLD,” ETC.
THIRD EDITION.
WITH 50 ILLUSTRATIONS AND 8 PLATES.
LONDON:
CHARLES GRIFFIN AND COMPANY, Limited;