[Footnote A: Presented at the meeting of December 1st, 1909.]
[Footnote B: Of the paper by Mr. Noble.]
[Footnote C: Of the paper by Mr. Noble.]
[Footnote D: Of the paper by Mr. Noble.]
FOOTNOTES:
Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910 The New York Tunnel Extension of the Pennsylvania Railroad. The Cross-Town Tunnels. Paper No. 1158 · 第 16 / 16 题