The Online Books Page

Books by William Burl Ledbetter:

Books in the extended shelves:

• Ledbetter, William Burl: A recommended synthetic coarse aggregate classification system : (revised August, 1969) (Texas Transportation Institute, Texas A & M University, 1969), also by Texas Transportation Institute, United States. Bureau of Public Roads, and Texas. Highway Department (page images at HathiTrust)
• Ledbetter, William Burl: Tentative pavement and geometric design criteria for minimizing hydroplaning. Phase I. Final report. (1975), also by Bob M. Gallaway, Don L. Ivey, Hayes E. Ross, Donald L. Woods, and R. E. Schiller (page images at HathiTrust)
• Ledbetter, William Burl: Three year results on the performance of incinerator residue in a bituminous base (Dept. of Transportation, Federal Highway Administration, Offices of Research & Development ;, 1978), also by D. J. Teague, United States. Federal Highway Administration. Office of Development, and United States. Federal Highway Administration. Office of Research (page images at HathiTrust)

Find more by William Burl Ledbetter at your library, or elsewhere.