LIBROS DEL AUTOR: depart u s department of the interior

2 resultados para LIBROS DEL AUTOR: depart u s department of the interior

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  • How to Mine and Prospect for Placer Gold
    Depart U. S. Department of the Interior / Depart USDepartment of the Interior / J. M. West / JMWest
    Increased leisure time and increased interest in the out-of-doors is leading more and more families to experiment with placer mining of gold, and sometimes even to going on into small-scale production. This book supplies basic information on areas of occurrence, equipment needed, prospecting, sampling, mining, and regulations concerning the possession and sale of gold. Select...
    Disponible

    15,31 €

  • Glossary of Surveying and Mapping Terms
    Bureau of Land Managenment / Depart U. S. Department of the Interior / Depart USDepartment of the Interior / United States
    The original edition of this glossary was developed for use by trainee cadastral surveyors during the cadastral survey professional series of training courses. This edition is intended for use by all BLM personnel and should be of particular value to newly hired cadastral and cartographic personnel. For the sake of clarity and exactness, many first edition definitions have been...
    Disponible

    34,43 €