[105]. Mun. Journal, Vol. 36, 1914, p. 736.
[106]. Mun. Journal, Vol. 39, 1915, p. 911.
[107]. Formerly the Municipal Journal.
[108]. See Eng. Record, Vol. 75, 1917, p. 463.
[109]. Eng. Record, Vol. 73, 1916, p. 141, and Eng. News-Record, Vol. 79, 1917, p. 1019.
[110]. Eng. Record, Vol. 72, 1915, p. 690.
[111]. Eng. Record, Vol. 71, 1915, p. 256.
[112]. Eng. and Contr., Vol. 41, 1914, p. 250.
[113]. H. J. Kellogg in Journal Connecticut Society of Civil Engineers, 1914, and Technical Paper 117, U. S. Bureau of Mines.
[114]. Eng. News, Vol. 70, 1913, p. 1157.