Note 197 — Chapter X · FINANCING HIGHWAYS AND HIGHWAY TRANSPORTATION LINES
Reading edition
See Chatburn’s “Highway Engineering,” Wiley & Sons, New York, p. 335 et seq.
[198] From Bulletin 136, U. S. Department of Agriculture.
[199] Newspaper article.
[200] Report of a Joint Committee appointed by the Governor and the 1921 Session of the Nebraska Legislature regarding the relative cost of road construction by the state and by various counties.