FRANKFORT – The U.S. Fish and Wildlife Service is designating approximately 3,814 river miles of occupied critical habitat for four freshwater mussels in Kentucky and 16 other states. The mussels species are rayed bean, sheepnose, snuffbox, and spectaclecase. This designation spans 17 states: Kentucky, Alabama, Arkansas, Illinois, Indiana, Iowa, Michigan, Minnesota, Mississippi, Missouri, New York, Ohio, Pennsylvania, Tennessee, Virginia, West V…