The digital edition of all books may be viewed on our website before purchase. Excerpt from Report on Levelling Operations
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Vendeur : Forgotten Books, London, Royaume-Uni
Paperback. Etat : New. Print on Demand. This book records and lists the elevation measurements of natural features along meridians and baselines in Western Canada from 1908 to 1914, a period of major infrastructure development in the region. In addition to recording elevations of natural features, the book also includes the elevations of thousands of benchmarks established along these lines. The lines of precise levels were run to control the accumulation of errors that are unavoidable when taking levels in difficult conditions and also include lines of levels whose object is to afford much needed information in the partly settled lands. The author meticulously records the history, methods, and challenges involved in this major undertaking, providing a detailed historical record of the development of this essential infrastructure in Canada. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. N° de réf. du vendeur 9781527817449_0
Quantité disponible : Plus de 20 disponibles
Vendeur : PBShop.store US, Wood Dale, IL, Etats-Unis
PAP. Etat : New. New Book. Shipped from UK. Established seller since 2000. N° de réf. du vendeur LX-9781527817449
Quantité disponible : 15 disponible(s)
Vendeur : PBShop.store UK, Fairford, GLOS, Royaume-Uni
PAP. Etat : New. New Book. Shipped from UK. Established seller since 2000. N° de réf. du vendeur LX-9781527817449
Quantité disponible : 15 disponible(s)