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Gold Districts Of California

Author : William B. Clark
Genre : Antiques & Collectibles
File Size : 77.44 MB
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Gold districts of California
Category: Antiques & Collectibles

Gold Dredging In California Classic Reprint

Author : Lewis E. Aubury
ISBN : 0265246946
Genre : Technology & Engineering
File Size : 68.1 MB
Format : PDF, Kindle
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Excerpt from Gold Dredging in California Close-connected buckets (loaded), Bucyrus type Close-connected buckets, 5 cubic feet capacity Open-connected buckets, 5 cubic feet capacity, Risdon type Boston and Oroville Company's dredge, showing spuds Tailings stacker, belt conveyor. 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.
Category: Technology & Engineering

Diamond Deposits

Author : Edward Erlich
ISBN : 9780873352130
Genre : Science
File Size : 87.29 MB
Format : PDF, ePub
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Written for geologists and diamond prospectors, this guidebook provides a general overview of diamond exploration and exploitation. The text covers how to find, recognize, and evaluate the potential of diamond deposits. As examples, the book reviews the history of some important diamond discoveries in Russia and the western United States. Much of the book is focused on geology of common diamond host rocks, including kimberlite and lamproite. In addition, it reviews the occurrence of some of the more unconventional host rocks that have produced some notable diamond discoveries. The material found in diamond deposits provides a foundation for discussing some of the most fundamental problems of theoretical geology, such as the timing of geological events and the development of cratonic areas. The authors are both experienced geologists who bring years of field experience to their writing. This resource provides a comprehensive look at the geology of diamonds, including historical data, crystal structure, and methods of exploration.
Category: Science

Federal Land Management Agencies

Author : Pamela Baldwin
ISBN : 1594541965
Genre : Political Science
File Size : 39.79 MB
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The federal government owns 655 million acres (29%) of the nearly 2.3 billion acres of land in the United States. Four agencies administer 628 million acres (96%) of this land: the Forest Service in the Department of Agriculture, The Bureau of Land Management, Fish and Wildlife Service, and National Park Service, all in the Department of the Interior. The majority of these lands are in the West. They generate revenues for the US Treasury, some of which are shared with states and localities. These agencies receive funding from annual appropriations laws, and from trust funds and special accounts (including the Land and Water Conservation Fund). The lands administered by the four agencies are managed for a variety of purposes, primarily related to conservation, preservation, and development of natural resources. Yet, each of these agencies has distinct responsibilities for the lands and resource it administers. This new book provides an overview of how federal lands and resources are managed, the agencies that manage the lands, the authorities under which these lands are managed, and some of the issues associated with federal land management. The book is divided into nine chapters. In the conclusion of the book, is an appendix of acronyms used in the text, and another defining selected terms used in the report.
Category: Political Science

The Mining Law Of 1872

Author : Gordon Morris Bakken
ISBN : 9780826343574
Genre : History
File Size : 59.11 MB
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History has left us a classic image of western mining in the grizzly forty-niner squatting by a clear stream sifting through gravel to reveal gold. What this slice of Western Americana does not reveal, however, is thousands of miners doing the same, their gravel washing downstream, causing the water to grow dark with debris while trout choke to death and wash ashore. Instead of the havoc wreaked upon the western landscape, we are told stories of American enterprise, ingenuity, and fortune. The General Mining Act of 1872, which declared all valuable mineral deposits on public lands to be free and open to exploration and purchase, has had a controversial impact on the western environment as, under the protection of federal law, various twentieth-century entrepreneurs have manipulated it in order to dump waste, cut timber, create resorts, and engage in a host of other activities damaging to the environment. In this in-depth analysis, legal historian Gordon Morris Bakken traces the roots of the mining law and details the way its unintended consequences have shaped western legal thought from Nome to Tombstone and how it has informed much of the lore of the settlement of the West.
Category: History

Fists Full Of Gold

Author : Chris Ralph
ISBN : 0984269207
Genre : Science
File Size : 50.60 MB
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This book is the most comprehensive and up-to-date book on gold prospecting. Within its pages is everything you need to know to find gold today. Full of practical information and great illustrations, it is designed to be the one prospecting book you will never outgrow. Whether you are a beginner or have twenty years of prospecting experience, you will find a wealth of new information and tips in these pages. From equipment operations, to the geology of how gold deposits form, to the nature of coarse gold nuggets, this book takes a unique and different approach in teaching the “trade skills” of prospecting. It focuses primarily on the knowledge you need to find locations rich with recoverable gold. This is critical because in the final analysis, no matter how well you operate your dredge, metal detector or other prospecting equipment, unless you can find the places where gold is located, your equipment cannot help you recover it.
Category: Science

Inside The Metal Detector

Author : George Overton
ISBN : 0985834218
Genre :
File Size : 26.74 MB
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A detailed look at metal detector technology and design, with experiments and projects.

Gold Mining Come Along For The Ride

Author : Tom "Lefty" Leftwich
ISBN : 1606102176
Genre : Biography & Autobiography
File Size : 43.1 MB
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This book records the author's experiences, mining techniques, inventions, gadgets and hurmor surrounding activities associated witha journey of twenty-seven years gold mining.
Category: Biography & Autobiography

Gold Prospecting Techniques

Author : Rob Kanen
ISBN : 0975672355
Genre : Science
File Size : 78.65 MB
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Introduction to Gold Prospecting and Fossicking
Category: Science