U.S. Department of the Interior, Geological Survey, Conservation Division. 

 OCS statistics. Washington, DC: U.S. Government Printing Office; ca. 

 1981; Open file report 80-864. 



U.S. Environmental Protection Agency. Draft areawide environmental impact 



statement; Central Florida phosphate industry. Atlanta, GA: U.S. Envi- 

 ronmental Protection Agency; ca. 1978. Available from: Tampa Bay Re- 

 gional Planning Council, St. Petersburg, FL. 



U.S. Federal Energy Regulatory Commission, Office of Electric Power Regulation. 

 Power pooling in the Southwest region. Washington, DC: U.S. Government 

 Printing Office; August 1980; 191 p. 



U.S. Federal Power Commission. Statistics of privately-owned electric utili- 

 ties in the United States: 1955. Washington, DC: U.S. Government Print- 

 ing Office; ca. 1956a. 



U.S. Federal Power Commission. Statistics of publicly-owned electric utili- 

 ties in the United States: 1955. Washington, DC: U.S. Government Print- 

 ing Office, ca. 1956b. 



U.S. Federal Power Commission. Steam-electric plant construction costs and 



annual production expenses: 1955. Washington, DC: U.S. Government Print- 

 ing Office; ca. 1956c. 



U.S. Federal Power Commission. Statistics of privately-owned electric utili- 

 ties in the United States: 1960. Washington, DC: U.S. Government Print- 

 ing Office; ca. 1961a. 



U.S. Federal Power Commission. Statistics of publicly-owned electric utili- 

 ties in the United States: 1960. Washington, DC: U.S. Government Print- 

 ing Office; ca. 1961b. 



U.S. Federal Power Commission. Steam-electric plant construction costs and 



annual production expenses: 1960. Washington, DC: U.S. Government Print- 

 ing Office; ca. 1961c. 



U.S. Federal Power Commission. Steam-electric plant construction costs and 

 annual production expenses: 1965. Washington, DC: U.S. Government 

 Printing Office; 1966a; 175 p. 



U.S. Federal Power Commission. Statistics of privately-owned electric utili- 

 ties in the United States: 1965. Washington, DC: U.S. Government Print- 

 ing Office; ca. 1966b. 



U.S. Federal Power Commission. Statistics of privately-owned electric utili- 

 ties in the United States: 1970. Washington, DC: U.S. Government Print- 

 ing Office; 1971a. 



U.S. Federal Power Commission. Statistics of publicly-owned electric utili- 

 ties in the United States: 1970. Washington, DC: U.S. Government Print- 

 ing Office; 1971b. 



U.S. Federal Power Commission. Statistics of publicly-owned electric utili- 

 ties in the United States: 1970. Washington, DC: U.S. Government Print- 



ing Office; 1972a. 



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