This legislation included the White Cloud and Boulder Mountains as part of the SNRA as well as the Sawtooth Primitive Area , which became the Sawtooth Wilderness , covering and part of the National Wilderness Preservation System under the Wilderness Act of 1964 .
This legislation included the White Cloud and Boulder Mountains as part of the SNRA . 
 The Sawtooth Primitive Area became the Sawtooth Wilderness ( also in the SNRA ) as part of the National Wilderness Preservation System under the Wilderness Act of 1964 .