. . "2.71E8"^^ . "1933-05-18Z"^^ . "1.453E9"^^ . "1933Z"^^ . . "The Tennessee Valley Authority (TVA) is a federally owned corporation in the United States created by congressional charter in May 1933 to provide navigation, flood control, electricity generation, fertilizer manufacturing, and economic development in the Tennessee Valley, a region particularly affected by the Great Depression. The enterprise was a result of the efforts of Senator George W. Norris of Nebraska."@en . . "Tennessee Valley Authority"@en . "1.0956E10"^^ . . . .