Endangered and Threatened Wildlife and Plants; Designation of Critical Habitat for the Rayed Bean, Sheepnose, Snuffbox, and Spectaclecase Mussels

Summary

The U.S. Fish and Wildlife Service proposes to designate critical habitat for four freshwater mussel species: rayed bean, sheepnose, snuffbox, and spectaclecase, covering approximately 3,974 river miles across 17 states.