. . . . . . . "Powder River basin regional coal lease sales : was fair market value received? : oversight hearing before the Subcommittee on Oversight and Investigations of the Committee on Interior and Insular Affairs, House of Representatives, Ninety-eighth Congress, first session, on Powder River basin regional coal lease sales, was fair market value received?, hearing held in Washington, D.C., May 16, 1983"@en . . . . . . . "Powder River basin regional coal lease sales was fair market value received? : oversight hearing before the Subcommittee on Oversight and Investigations of the Committee on Interior and Insular Affairs, House of Representatives, Ninety-eighth Congress, first session, on Powder River basin regional coal lease sales, was fair market value received?, hearing held in Washington, D.C., May 16, 1983"@en . . . .