Elementary Surveying, The Principles and Practice of Surveying, Volume 1, by Charles B. Breed, Professor of Railway and Highway Engineering, and George L. Homer, Associate Professor of Geodesy, Massachusetts Institute of Technology.  Fourth Edition, Total Issue 56,000.  Published by John Wiley & Sons, Inc., New York 1921.  Copyright 1906, 1908, 1915 by Charles B. Breed and George L. Homer.  Printed in the United States.  xix, 591 Pages.  See photos.