The construction and maintenance of earth roads

by Richard Roswell Lyman

[1] Trans. Am. Soc., C. E., Vol. LXI., p. 475.

[2] Trans. Am. Soc., C. E., Vol. LXI., p. 480.

[3] The Use of the Split-Log Drag on Earth Roads, Farmers’ Bulletin, 321, U. S. Department of Agriculture, by D. Ward King, pp. 1, 6 and 7.

[4] The Cornell Civil Engineer, December, 1909, p. 81.

[5] The Cornell Civil Engineer, Dec., 1909.

[6] Report of Highway Commission of Maine, 1906, p. 112.

Transcriber’s Notes:

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The illustrations have been moved so that they do not break up paragraphs and so that they are next to the text they illustrate.

Typographical and punctuation errors have been silently corrected.