Beneficiation and utilization of manganese deposits in United States : hearinges [sic] before Subcommittee on Minerals, Materials, and Fuels, 84th Congress, 1st session to determine best methods and means of utilizing manganese deposits in United States, Apr. 12-14, 1955.
- [Washington, D.C.], 1955.
- vi, 264 p. : ill., 7 pl.
Distribution made by issuing office. CRDP Program Historic Shelflist record.