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References

Association of American Railroads (AAR). 2005a. Class I Railroad Statistics. Page 2. Available online at: www.aar.org, as of July 2005. Washington, DC: July 2005.

Association of American Railroads (AAR). 2005b. Railroad Facts 2004. Page 38. Washington, DC: October 2004.

Association of American Railroads (AAR). 2005c. Rail Intermodal Transportation. Page 1. Available online at: www.aar.org, as of July 2005. Washington, DC: June 2005b.

Association of Oil Pipe Lines (AOPL). 2004a. The Liquid Pipeline Industry in the United States : Where It’s Been. Where It’s Going. Washington, DC: April 2004.

Association of Oil Pipe Lines (AOPL). 2004b. Shifts in Petroleum Transportation. Table 1. Washington, DC: June 2004.

Federal Express (FedEx 1), Investor Relations: Financial History, Selected Financial and Operating Data, FedEx Express, Highlights- 30 year, available online at: http://www.fedex.com/us/investorrelations/financialinfo/downloads/, as of September 6, 2005.

Federal Express (FedEx 2), About FedEx, FedEx Corporation Facts, available online at http://www.fedex.com/us/about/today/companies/corporation/facts.html, as of September 6, 2005.

Raj, D. and Chandhok, P. 1998. Sample Survey Theory, Narosa Publishing House, London, United­Kingdom .

U.S. Army Corps of Engineers (USACE) Waterborne Commerce of the United States , 2004. Part 5. National Summaries. New Orleans, LA: 2004.

U.S. Army Corps of Engineers (USACE) Waterborne Commerce of the United States , 1994. Part 5. National Summaries. New Orleans, LA: 1994.

U.S. Department of Commerce (USDOC), Census Bureau, Population Division, Table 1: Annual Estimates of the Population of Metropolitan and Micropolitan Statistical Areas: April 1, 2000 to July 1, 2003 (CBSA-EST2003-01). Internet Release Date: June 7, 2005.

U.S. Department of Commerce (USDOC), Census Bureau, Foreign Trade Division, U.S. Exports of Merchandise CD and U.S. Imports of Merchandise CD, December 2004.

U.S. Department of Commerce (USDOC), Census Bureau, Statistical Abstract of the United States 1997. Washington, DC: 1997.

U.S. Department of Energy (USDOE), Energy Information Agency (EIA), 2005. Annual Energy Review, Table 5.3 and 6.3. Available at www.eia.doe.gov/emeu/aer/petro.html and www.eia.doe.gov/emeu/aer/natgas.html, as of September 2005.

U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, using Department of Homeland Security, U.S. Customs and Border Protection, Data Warehouse CD-ROM, May 2005.

U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, 2005. Transportation Statistics Annual Report, Washington, DC, November 2005.

U.S. Department of Transportation (USDOT), Research and Innovative Technology Administration, Bureau of Transportation Statistics (BTS), 2004. America’s Freight Transportation Gateways. Washington, DC: 2004, available at http://www.bts.gov/publications/americas_freight_transportation_gateways/ as of December 2005.

U.S. Department of Transportation (USDOT), Research and Innovative Technology Administration, Bureau of Transportation Statistics (BTS), 2005. U.S.-North America Trade and Freight Transportation Highlights. Washington, DC: June 2005.

U.S. Department of Transportation (USDOT), Federal Highway Administration (FHWA), 2004. Freight Transportation: Improvements and the Economy. Washington, DC: June 2004.

U.S. Department of Transportation (USDOT), Federal Highway Administration (FHWA), 2004. Freight Facts and Figures 2004. Washington, DC: November 2004.

U.S. Department of Transportation (USDOT), Federal Highway Administration (FHWA), 2003 Highway Statistics, table VM-1, (Washington, DC: Annual issues), and Internet site http://www.fhwa.dot.gov/policy/ohpi/index.htm.

U.S. Postal Service (USPS 1), Annual Report Operating Statistics: 1970-2004, personal communication, June and July 2005.

United Parcel Service (UPS), UPS Pressroom, Media kits, UPS Fact Sheet, available online at, http://www.pressroom.ups.com/mediakits/factsheet/0,2305,866,00.html, as of September 6, 2005.

United Parcel Service (UPS), 2004 Annual Report, available online at, http://www.shareholder.com/ups/, as of September 6, 2005.




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