Gold in Placer Deposits
Author: Warren E. Yeend
Publisher:
Published: 1990
Total Pages: 28
ISBN-13:
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Author: Warren E. Yeend
Publisher:
Published: 1990
Total Pages: 28
ISBN-13:
DOWNLOAD EBOOKAuthor: James Klein
Publisher:
Published: 1994
Total Pages: 0
ISBN-13: 9780935182682
DOWNLOAD EBOOKThis edition has all new maps and an added chapter on the Kern River area. Good introduction to the gold bearing areas. Authentic and interesting reading for any gold seeker or history buff. Illustrated.
Author: Charles Volney Averill
Publisher: Franklin Classics
Published: 2018-10-15
Total Pages: 370
ISBN-13: 9780343276164
DOWNLOAD EBOOKThis work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: Charles Beebe Turrill
Publisher:
Published: 1876
Total Pages: 262
ISBN-13:
DOWNLOAD EBOOKCharles Beebe Turrill (1854-1927) was a California historian and promoter. California notes (1876) is a guide for travellers, offering details of the state's weather, geology, and vegetation as well as recommended travel routes, historical notes, business statistics, and sightseeing tips for visitors to San Francisco, Stockton, Calaveras County and its mammoth trees and caves, the gold mining district, and the Yosemite Valley.
Author: Andrew C. Isenberg
Publisher: Macmillan + ORM
Published: 2010-08-24
Total Pages: 253
ISBN-13: 0374707200
DOWNLOAD EBOOKAn environmental History of California during the Gold Rush Between 1849 and 1874 almost $1 billion in gold was mined in California. With little available capital or labor, here's how: high-pressure water cannons washed hillsides into sluices that used mercury to trap gold but let the soil wash away; eventually more than three times the amount of earth moved to make way for the Panama Canal entered California's rivers, leaving behind twenty tons of mercury every mile—rivers overflowed their banks and valleys were flooded, the land poisoned. In the rush to wealth, the same chain of foreseeable consequences reduced California's forests and grasslands. Not since William Cronon's Nature's Metropolis has a historian so skillfully applied John Muir's insight—"When we try to pick out anything by itself, we find it hitched to everything else in the universe"—to the telling of the history of the American West. Beautifully told, this is western environmental history at its finest.
Author: California Bureau Mines
Publisher: CreateSpace
Published: 2015-10-14
Total Pages: 194
ISBN-13: 9781518630576
DOWNLOAD EBOOKMining historian Kerby Jackson introduces us to a classic mining work in this important re-issue of "Gold Placers of California." Unavailable since 1923, this publication was originally compiled by the California Bureau of Mines. Included are insights into the history of placer gold mining in California, ranging from using a simple gold pan, rocker box or sluice box, right up to the largest of hydraulic mines. All of the major placer gold mining areas are covered in detail, complete with the methods that were used to mine them. This hard to find, previously out of print publication will offer valuable insights for those who are looking for gold and other valuable minerals in California or to those who are interested in mining history. Note: This edition is a perfect facsimile of the original edition and is not set in a modern typeface. As such, some type characters and images might suffer from slight imperfections or minor shadows in the page background.
Author: California Department of Conservation
Publisher:
Published: 2016-04-09
Total Pages: 0
ISBN-13: 9781365035654
DOWNLOAD EBOOKThis report provides practical, timely information on methods and equipment used in placer gold recovery. Included is detailed information on equipment, practices, recovery factors, efficiency, design, and, where available, costs. Selected gold recovery operations are described in detail. In addition, the reported efficiency and reliability of various types of equipment used today is presented. One notable method not described is the cyanide process, the recovery of gold through leaching with cyanide, a hazardous substance that must be handled with great care. The information presented herein applies to small as well as large placer mining operations. Recreational and independent miners will find information on available equipment and designs with some suggestions for improving recovery. Those intending to mine small to medium-sized placer deposits will find detailed descriptions of suitable equipment and recovery methods. Finally, those interested in byproduct gold recovery from sand and gravel operations...
Author: Maureen G. Johnson
Publisher: Forgotten Books
Published: 2017-11-18
Total Pages: 146
ISBN-13: 9780331313765
DOWNLOAD EBOOKExcerpt from Placer Gold Deposits of Nevada Following the discovery of placers at Gold Canyon, placer discoveries in Nevada were broadly in three periods: the 1860's to 1880's, when many small deposits throughout the State were discovered and sporadically worked and several large placers were discovered and extensively worked; the short period between 1906 and 1910, when very rich placers were dis covered at Lynn, Battle Mountain, Manhattan, and Round Mountain; the early 1930's, when economic conditions created by the depression caused a renewed interest in placer mining, and many individuals sought, and a few discovered, new placer areas throughout the State. The location of the placers described in this report is shown on plate 1. Very little factual information can be found about the early periods of placer mining in Nevada. For many placers, the only reports available are hearsay estimates of production and speculations about the extent of the placer ground based on remnants of placer pits, shafts, and other workings. Many of the placers said to have had a high production between 1860 and 1890 were worked by Chinese miners who came to Nevada dur ing the building of the railroads and stayed on to work at mining and other activities. The Chinese were reputed to be secretive with their earnings from the placers and did not ship the gold to the mint by Wells Fargo or other shippers. They worked the gravels very thoroughly in areas where American miners did not wish to expend great labor to win the gold. The placers in the Sierra and Spring Valley districts, Pershing County, were worked by Chinese miners; they have a very high estimated production before 1900 and a comparatively low known production since that time. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Adolph Knopf
Publisher:
Published: 1929
Total Pages: 126
ISBN-13:
DOWNLOAD EBOOKAuthor: Michael Silva
Publisher: Sylvanite Publishing
Published: 2014-12-01
Total Pages: 40
ISBN-13: 9781614740377
DOWNLOAD EBOOKPlacer Gold Recovery Methods - Michael Silva - This is a great little book put out by the California Division of Mines in the 1980's and now back in print by Sylvanite Publishing. It covers in detail all the methods used to recover placer gold such as Panning, Sluicing, Jigs, Centrifugal bowls such as the Knelson Concentrator, Belt Separators, Reichert Cones, Helixes, Shaking Tables and more. These are still the standard machines used today in most placer operations.