1 Dr. John H. DeYoung, Jr., Chief Scientist, Minerals Information Team, U.S. Geological Survey.


1 Unless otherwise noted, the material in quotation marks throughout this section is taken directly from Behr, Peter, and Steven Gray, “Grid Operators Spotted Overloads but Ind. Controllers Couldn’t Force Power Companies to Cut Output,” Washington Post, 5 September 2003, E01.

2 Accuweather records for August 14: high 91, low 75, average 83; normal temperatures for those dates: high 83, low 68, average 76; rain on August 14: zero.

3 U.S. Census Bureau, 2000 Census of Population and Housing, Population and Housing Unit Counts PHC-3-1 (Washington, D.C.: 2004).

4 1 horsepower (HP) = 745 watts, or 0.75KW. A 100HP car engine, ...

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