%0 Generic %T Oversight: Bureau of Mines, Geological Survey, Ocean Mining Administration : hearing before the Subcommittee on Mines and Mining of the Committee on Interior and Insular Affairs, House of Representatives, Ninety-fourth Congress, first session : hearing held in Washington, D.C., March 4, 1975. %U https://ezaccess.libraries.psu.edu/login?url=https://www.heinonline.org/HOL/Page?handle=hein.cbhear/obomgso0001&id=1&size=2&collection=congrec&index=cbhear