Walla Wilderness . (F) Grand ronde wilderness Certain Federal land within the Umatilla National Forest and the Wallowa-Whitman National Forest comprising approximately 19,000 acres, identified as Grande Ronde Wilderness on Map 1, which shall be known as the Grande Ronde Wilderness . (G) Texas butte wilderness Certain Federal land within the Umatilla National Forest comprising approximately 8,000 acres, identified as Texas Butte Wilderness on Map 1, which shall be known as the Texas Butte Wilderness . (H) Skookum wilderness Certain Federal land within the Umatilla National Forest comprising approximately 9,000 acres, identified as Skookum Wilderness on Map 1, which shall be known as the Skookum Wilderness . (I) Potamus wilderness Certain Federal land within the Umatilla National Forest comprising approximately 6,000 acres, identified as Potamus Wilderness on Map 1, which shall be known as the Potamus Wilderness . (J) South fork-tower wilderness Certain Federal land within the Umatilla National Forest comprising approximately 16,000 acres, identified as South Fork-Tower Wilderness on Map 1, which shall be known as the South Fork-Tower Wilderness . (K) East john day wilderness Certain Federal land within the Umatilla National Forest and the Wallowa-Whitman National Forest comprising approximately 6,000 acres, identified as East John Day Wilderness on Map 1, which shall be known as the East John Day Wilderness . (L) Horseshoe ridge wilderness Certain Federal land within the Umatilla National Forest comprising approximately 6,000 acres, identified as Horseshoe Ridge Wilderness on Map 1, which shall be known as the Horseshoe Ridge Wilderness . (M) Hellhole wilderness Certain Federal land within the Umatilla National Forest comprising approximately 67,000 acres, identified as Hellhole Wilderness on Map 1, which shall be known as the Hellhole Wilderness . (N) Mount emily wilderness Certain Federal land within the Wallowa-Whitman National Forest comprising approximately 9,000 acres, identified as Mount Emily Wilderness