The SMMNRA is part of the Rim of the Valley Trail Corridor planning process .
Several alternatives include a Rim of the Valley a SMMNRA boundary adjustment ( of an approximately 173,000 - acre or 313,000 acre addition ) .
The SMMNRA is part of the Rim of the Valley Trail Corridor planning process , and several alternatives include a Rim of the Valley a SMMNRA boundary adjustment ( of an approximately 173,000 - acre or 313,000 acre addition ) .