1018-AY06 201110 The Regulatory Plan and the Unified Agenda of Federal Regulatory and Deregulatory Actions 1018 United States Fish and Wildlife Service FWS 1000 Department of the Interior DOI Endangered and Threatened Wildlife and Plants; Listing Determination and Critical Habitat Designation for two Tennessee River Mussels Substantive, Nonsignificant First Time Published in The Unified Agenda Proposed Rule Stage No No 50 CFR 17 16 USC 1531 et seq No NPRM 09/00/2012 Undetermined Undetermined No Undetermined No No Sarah Quamme 1018 United States Fish and Wildlife Service FWS 703 358-1796 703 358-1800 sarah_quamme@fws.gov 5275 Leesburg Pike, MS: ES, Falls Church VA 22041-3803