The April 13, 1992 Chicago Freight Tunnel Disaster : emergency management efforts by the State of Illinois /

"FEMA-941-DR-IL."

Thames Tunnel Company, incorporated 1824 ...

Goldsmiths'-Kress no. 25335.

Iwo Jima Photo Album, Image 18

Tunnels carved by the Japanese on Iwo Jima. Caption; "Elaborate caves and tunnels were carved out of the volcanic rock throughout the island."

Sketches of the works for the tunnel under the Thames, from Rotherhithe to Wapping.

Goldsmiths'-Kress no. 25942.13.

Report of the Committee of the Executive Council on the Memorial of the Troy and Greenfield Railroad Co. : with the evidence before said Committee.

Mode of access: Internet.

Brooklyn-Staten Island vehicular tunnel. Hearings before the Committee on Rivers and Harbors, House of Representatives, Seventy-seventh Congress, first session, on H.R. 5269, a bill authorizing the appropriation of funds for use by the New York Tunnel Authority in making borings, soundings, and other preliminary surveys for the construction of a vehicular tunnel under the waters of New York harbor, connecting the boroughs of Richmond and Brooklyn, September 19, 1941.

Joseph J. Mansfield, chairman.

Simulation of blunt body pressure distributions

Mode of access: Internet.

Buffeting of trains entering a tunnel; final report. SRI project no. PH-4580.

Mode of access: Internet.

A summary of similitude studies for high enthalpy hypersonic test facilities

Mode of access: Internet.

Instrumentation studies for plasma jet and hypersonic wind tunnel,

"This research was supported by the McDonnell Aircraft Corporation under Contract no. 6140-20 P.O. 7S4899-R."

A variable atmosphere hypersonic wind tunnel for similitude studies

Mode of access: Internet.