erc: who: McArthur, D what: Inventory and distribution of residual 137cs on and near the Nevada Test Site when: 19990920 where: https://digital.library.unt.edu/ark:/67531/metadc707500/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://digital.library.unt.edu/ark:/67531/