About the Author
Herbert L. Nichols, Jr., has devoted most of his business and professional life to earth-moving and heavy equipment. A longtime private consultant, he owned his own excavation and grading business in Connecticut for many years. In addition to his widely translated benchmark work "Moving the Earth, " he is the author of "Excavator Operation, Heavy Equipment Repair, " and numerous other books and manuals in the field. He is a member of the American Association of Cost Engineers, the American Institute of Mining Engineers, and the American Welding Society. He lives in Roswell, Georgia.
David A. Day, P.E., is a consultant with ABCO Engineering Corporation, with nearly 50 years of experience in civil engineering and construction. A graduate of Cornell University and the University of Illinois with a master's degree in construction and structures, he is the author of Construction Equipment Guide. Mr. Day is also a Life Member of the American Society of Civil Engineers, where he helped start the annual Underground Technology Conference (UTC), and a Life Member of the National Society of Professional Engineers. He lives in Centennial, Colorado.
