01020cam a22002291 4500001001300000003000400013005001700017008004100034010001700075035001900092040005300111050002000164086002200184110007000206245023300276260004800509300003700557530010200594650001200696710006500708999001700773gs 30000300 DLC20260227111335.0800425s1930 dcua f000 0 eng c ags 30000300  a(OCoLC)6244104 aLibrary, U.S. Geological SurveycOCldOCoLCdDLC00aKF27b.M57 19300 aY 4.M 66/1:R 11/21 aUnited States.bCongress.bHouse.bCommittee on Mines and Mining.10aManufacture of one gram of radium :bhearing before a subcommittee of the Committee on Mines and Mining, House of Representatives, Seventy-first Congress, second session, on H.R. 4811. February 11, 25, and March 4, 11, 25, 1930. aWashington,bU.S. Govt. print. off.,c1930. a70 p. :bincl. tables. ;c24 cm. aAvailable also in microform in CIS US congressional committee hearings, accession number H548-13. 0aRadium.1 aUnited States.b71st Cong., 2d sess., 1929-1930.tH.R. 4811. c26829d26829