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Author: Ken Skorseth
Publisher:
ISBN:
Category : Gravel roads
Languages : en
Pages : 112
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Book Description
The purpose of this manual is to provide clear and helpful information for maintaining gravel roads. Very little technical help is available to small agencies that are responsible for managing these roads. Gravel road maintenance has traditionally been "more of an art than a science" and very few formal standards exist. This manual contains guidelines to help answer the questions that arise concerning gravel road maintenance such as: What is enough surface crown? What is too much? What causes corrugation? The information is as nontechnical as possible without sacrificing clear guidelines and instructions on how to do the job right.
Author: Ken Skorseth
Publisher:
ISBN:
Category : Gravel roads
Languages : en
Pages : 112
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Book Description
The purpose of this manual is to provide clear and helpful information for maintaining gravel roads. Very little technical help is available to small agencies that are responsible for managing these roads. Gravel road maintenance has traditionally been "more of an art than a science" and very few formal standards exist. This manual contains guidelines to help answer the questions that arise concerning gravel road maintenance such as: What is enough surface crown? What is too much? What causes corrugation? The information is as nontechnical as possible without sacrificing clear guidelines and instructions on how to do the job right.
Author: South Carolina
Publisher:
ISBN:
Category : Law
Languages : en
Pages : 812
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Book Description
Author: Terence N. D'Altroy
Publisher: John Wiley & Sons
ISBN: 1444331159
Category : Social Science
Languages : en
Pages : 578
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Book Description
The Incas is a captivating exploration of one of the greatest civilizations ever seen. Seamlessly drawing on history, archaeology, and ethnography, this thoroughly updated new edition integrates advances made in hundreds of new studies conducted over the last decade. • Written by one of the world’s leading experts on Inca civilization • Covers Inca history, politics, economy, ideology, society, and military organization • Explores advances in research that include pre-imperial Inca society; the royal capital of Cuzco; the sacred landscape; royal estates; Machu Picchu; provincial relations; the khipu information-recording technology; languages, time frames, gender relations, effects on human biology, and daily life • Explicitly examines how the Inca world view and philosophy affected the character of the empire • Illustrated with over 90 maps, figures, and photographs
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309100887
Category : Political Science
Languages : en
Pages : 325
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Book Description
All phases of road developmentâ€"from construction and use by vehicles to maintenanceâ€"affect physical and chemical soil conditions, water flow, and air and water quality, as well as plants and animals. Roads and traffic can alter wildlife habitat, cause vehicle-related mortality, impede animal migration, and disperse nonnative pest species of plants and animals. Integrating environmental considerations into all phases of transportation is an important, evolving process. The increasing awareness of environmental issues has made road development more complex and controversial. Over the past two decades, the Federal Highway Administration and state transportation agencies have increasingly recognized the importance of the effects of transportation on the natural environment. This report provides guidance on ways to reconcile the different goals of road development and environmental conservation. It identifies the ecological effects of roads that can be evaluated in the planning, design, construction, and maintenance of roads and offers several recommendations to help better understand and manage ecological impacts of paved roads.
Author: Ramiro Matos Mendieta
Publisher: Smithsonian Institution
ISBN: 1588344959
Category : History
Languages : en
Pages : 233
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Book Description
This compelling collection of essays explores the Qhapaq nan (or Great Inca Road), an extensive network of trails reaching modern-day Colombia, Ecuador, Peru, Bolivia, Chile, and Argentina. These roads and the accompanying agricultural terraces and structures that have survived for more than six centuries are a testament to the advanced engineering and construction skills of the Inca people. The Qhapaq nan also spurred an important process of ecological and community integration across the Andean region. This book, the companion volume to a National Museum of the American Indian exhibition of the same name, features essays on six main themes: the ancestors of the Inca, Cusco as the center of the empire, road engineering, road transportation and integration, the road in the Colonial era, and the road today. Beautifully designed and featuring more than 225 full-color illustrations, The Great Inka Road is a fascinating look at this enduring symbol of the Andean peoples' strength and adaptability.
Author: Michael Wallis
Publisher: Macmillan
ISBN: 0312082851
Category : Travel
Languages : en
Pages : 260
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Book Description
Tells the story of the legendary road, Route 66, begun in the early 1920s that covered 2400 miles from Chicago to Los Angeles.
Author:
Publisher: AASHTO
ISBN: 1560512717
Category : CD-ROMS.
Languages : en
Pages : 142
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Book Description
Author: Great Britain. Parliament. House of Commons
Publisher:
ISBN:
Category : Great Britain
Languages : en
Pages : 812
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Book Description
Author: Great Britain. Patent Office
Publisher:
ISBN:
Category : Patents
Languages : en
Pages : 1048
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Book Description
Author: Joseph Brevard
Publisher:
ISBN:
Category : Law
Languages : en
Pages : 524
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Book Description
