PDF BOOK The dredging of gold placers.

Guest Wed Apr 27, 2011 7:35 am

The dredging of gold placers. To download the book click the link below then click the PDF link on the left hand side of the page.

BY JOHN ERNEST HODGSON, F.R.G.S. 1911

CHAP. PAGE

PREFACE ....... V

I. HISTORY AND PROSPECTS OF ALLUVIAL GOLD-

GETTING ...... 1

II. ALLUVIAL DEPOSITS 15

III. PROSPECTING 22

IV. GOLD-SAVING, DESIGN AND CONSTRUCTION OF

DREDGES ...... 35

V. MERCURY, BLASTING, AND ODD NOTES . . 49

LIST OF ILLUSTRATIONS

THE LARGEST BUCKET DREDGER AFLOAT

GOLD DREDGER FITTED WITH REVOLVING SCREEN

CLOSE-CONNECTED SPEED DREDGER

BOW VIEW OF A GOLD DREDGER

KEYSTONE DRILL

DREDGER AND WASHER

BELT TAILINGS STACKER

STEAM-DRIVEN OPEN-LINK DREDGER

GOLD DREDGER FITTED WITH PATENT

Link
http://www.archive.org/details/dredgingofgoldpl00hodguoft