Bureau of Mines authorization and oversight [microform] : hearing before the Subcommittee on Transportation, Aviation, and Materials of the Committee on Science, Space, and Technology, U.S. House of Representatives, One Hundred First Congress, first session, March 22, 1989.
United States.Congress.House.Committee on Science, Space, and Technology.Subcommittee on Transportation, Aviation, and Materials.
Washington [D.C.] : U.S. G.P.O.,
1989.
Cover title.
"No. 4."
Microfiche.
United States. Bureau of Mines