Books by Robert Britten Johnson
Principles of engineering geology
Factors that influence the sta
Factors that influence the stability of slopes
IBM 709 program for refraction
IBM 709 program for refraction seismic problems
Refraction seismic investigations Rosiclare fluorspar district, Illinois
Use of the refraction seismic method for differentiating Pleistocene deposits in the Arcola and Tuscola quadrangles, Illinois