- Transcontinental Railroad@
Explores the history of the Transcontinental Railroad, the 1,756 mile long track laid between Sacramento and Omaha in 1869, and its significance to the development of the Western United States as well as to U.S. history.
dir.yahoo.com/.../19th_Century/Transcontinental_Railroad
- Chicago Great Western Page
Providing photos, historical, and technical information about the Chicago Great Western Railway.
www.trainweb.org/cgw
- Physical Sciences Collection: Surveying and Geodesy
Exhibition of surveying and geodetic instruments used throughout the history of the United States. From the National Museum of American History.
americanhistory.si.edu/surveying
- American Experience: The Telephone
Companion web site to the PBS/WGBH series program on the history of the telephone.
www.pbs.org/wgbh/pages/amex/technology/telephone/index.html
- Timeline: Technology in America
From 1750 to present. Presented by PBS's The American Experience.
www.pbs.org/wgbh/pages/amex/technology/techtimeline
- The Grain Elevators: Buffalo's Lost Industry
![[pick]](http://us.i1.yimg.com/us.yimg.com/i/pk/d_pick.gif) [read review]
Considers the history and operation of the structures and industry that made Buffalo, NY a major port on the Great Lakes.
www.buffalohistoryworks.com/grain
- American Experience: Big Dream Small Screen
Companion web site to the PBS/WGBH series program on the history of television in the U.S.
www.pbs.org/wgbh/pages/amex/technology/bigdream
- American Experience: New York Underground
Interactive Web companion to the WGBH/PBS series program on the construction of the New York City subway.
www.pbs.org/wgbh/pages/amex/technology/nyunderground/index.html
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