Perry-Castañeda Library
Map Collection

Maps from Congressional Hearings

Commission on Communications, Part 2, Hearings held May 9, 1929. United States Senate. Committee on Interstate Commerce. (Y4.In8/3:C73/17/pt.2)

Army-Navy Radio Net, United States, 1:4,700,000, September 1, 1927 (10.3MB)

 

 

Public Utility Holding Company Act of 1935, Hearings held April 16 to 29, 1935. United States Senate. Committee on Interstate Commerce. (Y4.In8/3:P96/3)

The Electric Properties of the American Water Works and Electric CQ., Inc, 1935 (1.4MB)

American Gas and Electric Company Properties, 1935 (3.9MB)

 

 

Study of International Communications, Part 2: Exhibits Submitted by Federal Communications Commission, March 19 to April 3, 1945. United States Senate. Subcommittee of the Committee on Interstate Commerce. (Y4.In8/3:C73/28/pt.2)

Exhibit No. I
Maps of Ocean Cable Systems Operated by United States Cable Companies, as of December 1, 1943
All America Cables and Radio, Inc. Cable System, December 1, 1943 (1.4MB)


Commercial Cable Co. Cable System, December 1, 1943 (1.4MB)

Commercial Pacific Cable Co. Cable System, December 1, 1943 (1.2MB)

 

Western Union Telegraph Co. Cable System - North Atlantic, December 1, 1943 (1.5MB)
Western Union Telegraph Co. and Mexican Telegraph Co. Cable Systems - Central American and West Indies, December 1, 1943 (1.2MB)


Exhibit No. II
Maps of Radiotelegraph and Radiotelephone Circuits in Active Operation Between the United States and Territorial Possessions and Foreign Countries as of July 16, 1945
R.C.A. Communications, July 16, 1945 - Active Radiotelegraph Circuits (2.1MB)


Mackay Radio & Telegraph Co., July 16, 1945 - Active Radiotelegraph Circuits (1.7MB)
Tropical Radio Telegraph, July 16, 1945 - Active Radiotelegraph Circuits (1.5MB)
United States-Liberia Radio Corp., July 16, 1945 - Active Radiotelegraph Circuits (2.0MB)
South Porto Rico Sugar Co., July 16, 1945 - Active Radiotelegraph Circuits (1.3MB)
Press Wireless, Inc, July 16, 1945 - Active Radiotelegraph Circuits (2.0MB)
American Telephone & Telegraph Co., July 16, 1945 - Active Radiotelephone Circuits (1.7MB)
Radio Corporation of Porto Rico - July 16, 1945 - Active Radiotelephone Circuits (1.3MB)
Globe Wireless, Ltd., July 16, 1945 - Active Radiotelegraph Circuits (1.3MB)


Exhibit No. III
Maps Showing World-Wide Cable Systems and Radio Circuits of Great Britain and the United States Countries Connected by cable systems of Great Britain and the United States (Prepared by American Telephone & Telegraph Co., March 1945)


Countries Connected by Cable Systems of Great Britain and the United States, 1945 (2.7MB)

Direct Radio Telegraph Circuits from the United States - August 1939 (2.3MB)
Direct Radio Telegraph Circuits from Great Britain - August 1939 (2.5MB)
Countries of the World Served by Direct Communication Facilities from Great Britain and the United States (2.7MB)

AACS [Army Airways Communication System] Ground/Air Communications, 1945 (6.6MB)

AACS [Army Airways Comminication System] Point to Point Communications, 1945 (6.2MB)

Typical Air Route-Weather Collection and Dissemination, 1945 (7.6MB)

Radio Navigational Aids, 1945 (6.2MB)

 

 

Consolidation of International Air Carriers, Hearings held May 19 to June 5, 1947. United States Senate. Subcommittee of The Committee on Interstate and Foreign Commerce. (Y4.In8/3:Ai7/6)

Routes of Foreign Air Carriers Operating to the U.S., February 1947 (1.9MB)

International Air Routes of United States Flag Carriers, August 15, 1946 (5.9MB)

International Air Routes of United States Flag Carriers, January 20, 1947 (2.1MB)

International Air Routes of U.S. Flag Carriers, April, 1947 (6.6MB)

Belgian International Air Routes, February 1947 (1.7MB)

Bilateral Routes to the U.S. Not Operating, February 1947 (1.9MB)

Non-Bilateral Applications Filed with C.A.B., February 1947 (1.9MB)

Northwest Airlines System Map - Showing Proposed Routes (1.4MB)

British International Air Routes, February 1947 (1.9MB)

Dutch International Air Routes, February 1947 (1.8MB)

French International Air Routes, February 1947 (1.4MB)

Scandinavian International Air Routes, February 1947 (1.5MB)