erc: who: Kaiser, E. P. what: Radioactivity at the Jim Kane Mine, Mohave County, Arizona when: 19510100 where: https://digital.library.unt.edu/ark:/67531/metadc502078/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://digital.library.unt.edu/ark:/67531/