Francis Mason

Littérature

Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910 - The New York Tunnel Extension of the Pennsylvania Railroad. - The East River Tunnels. Paper No. 1159

S. H.Brace Woodard, James H. Brace, Francis Mason, S. H. Woodard

Littérature

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

James H.Mason Brace, James H. Brace, Francis Mason