AIDS

IN

COLLEGE

PRACTICAL GEOLOGY

BY

GRENVILLE A. J. COLE, M.R.I.A., F.G.S.,

PROFESSOR OF GEOLOGY AND MINERALOGY IN THE ROYAL COLLEGE OF SCIENCE FOR IRELAND.

With numerous Illustrations.

FOURTH EDITION, REVISED.

AND COMAY

1820

LIMITED

LONDON:

CHARLES GRIFFIN AND COMPANY, LIMITED;

EXETER STREET, STRAND.

1902.

[All Rights Reserved.]