Bob Holtz, PhD, PE, , has degrees from Minnesota and Northwestern, and he attended the Special Program in Soil Mechanics at Harvard under Professor. An introduction to geotechnical engineering I Robert D. Holtz, William D. Kovacs, Thomas . concentrate in geotechnical engineering as well as the general civil. Introduction to Geotechnical Engineering, An, 2nd Edition. …Continue reading "AN INTRODUCTION TO GEOTECHNICAL ENGINEERING HOLTZ PDF"