""Elementary Treatise On Land Surveying And Leveling"" is a book written by Robert Thornton in 1863. The book is a comprehensive guide to land surveying and leveling, covering all the essential aspects of the subject in a clear and concise manner. It is a valuable resource for students, professionals, and anyone interested in the field of land surveying.The book begins with an introduction to the principles of land surveying, including the instruments...