valley Certain Federal land managed by the Bureau of Land Management, comprising approximately 12,491 acres, generally depicted on the Map as Proposed Horse Valley Wilderness , which shall be known as the Horse Valley Wilderness . (7) Labyrinth canyon Certain Federal land managed by the Bureau of Land Management, comprising approximately 54,643 acres, generally depicted on the Map as Proposed Labyrinth Canyon Wilderness , which shall be known as the Labyrinth Canyon Wilderness . (8) Little ocean draw Certain Federal land managed by the Bureau of Land Management, comprising approximately 20,660 acres, generally depicted on the Map as Proposed Little Ocean Draw Wilderness , which shall be known as the Little Ocean Draw Wilderness . (9) Little wild horse canyon Certain Federal land managed by the Bureau of Land Management, comprising approximately 5,479 acres, generally depicted on the Map as Proposed Little Wild Horse Canyon Wilderness , which shall be known as the Little Wild Horse Canyon Wilderness . (10) Mexican mountain Certain Federal land managed by the Bureau of Land Management, comprising approximately 76,413 acres, generally depicted on the Map as Proposed Mexican Mountain Wilderness , which shall be known as the Mexican Mountain Wilderness . (11) Middle wild horse mesa Certain Federal land managed by the Bureau of Land Management, comprising approximately 16,343 acres, generally depicted on the Map as Proposed Middle Wild Horse Mesa Wilderness , which shall be known as the Middle Wild Horse Mesa Wilderness . (12) Muddy creek Certain Federal land managed by the Bureau of Land Management, comprising approximately 98,023 acres, generally depicted on the Map as Proposed Muddy Creek Wilderness , which shall be known as the Muddy Creek Wilderness . (13) Nelson mountain (A) In general Certain Federal land managed by the Forest Service, comprising approximately 7,176 acres, and certain Federal land managed by the Bureau of Land Management, comprising approximately 257 acres, generally depicted on the Map as