(2) Walker Prairie area, consisting of approxi-
mately 55,887 acres administered by the Bighorn 
National Forest. 
(3) Devil’s Canyon area, consisting of approxi-
mately 37,720 acres administered by the Bighorn 
National Forest. 
(4) Sibley Lake area, consisting of approxi-
mately 6,917 acres administered by the Bighorn Na-
tional Forest. 
(5) Hideout Creek area, consisting of approxi-
mately 9,594 acres administered by the Bighorn Na-
tional Forest. 
(6) Bear Rocks area, consisting of approxi-
mately 24,520 acres administered by the Bighorn 
National Forest. 
(7) Horse Creek Mesa area, consisting of ap-
proximately 77,805 acres administered by the Big-
horn National Forest. 
(8) Bruce Mountain area, consisting of approxi-
mately 5,417 acres administered by the Bighorn Na-
tional Forest. 
(9) Grommund Creek area, consisting of ap-
proximately 12,089 acres administered by the Big-
horn National Forest. 
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(10) Hazelton Peaks area, consisting of ap-
proximately 10,028 acres administered by the Big-
horn National Forest. 
(11) Doyle Creek area, consisting of approxi-
mately 6,542 acres administered by the Bighorn Na-
tional Forest. 
(12) Leigh Creek area, consisting of approxi-
mately 14,230 acres administered by the Bighorn 
National Forest. 
(13) Medicine Lodge area, consisting of ap-
proximately 25,089 acres administered by the Big-
horn National Forest or the Bureau of Land Man-
agement. 
(14) Alkali Creek East area, consisting of ap-
proximately 9,264 acres administered by the Bureau 
of Land Management. 
(15) Alkali Creek West area, consisting of ap-
proximately 6,477 acres administered by the Bureau 
of Land Management. 
(16) North Fork Powder River area, consisting 
of approximately 14,790 acres administered by the 
Bureau of Land Management. 
(17) Garder Mountain area, consisting of ap-
proximately 17,524 acres administered by the Bu-
reau of Land Management. 
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(18) Honeycombs area, consisting of approxi-
mately 65,081 acres administered by the Bureau of 
Land Management. 
(19) Buffalo Creek area, consisting of approxi-
mately 26,853 acres administered by the Bureau of 
Land Management. 
(20) Lysite Mountain area, consisting of ap-
proximately 9,204 acres administered by the Bureau 
of Land Management. 
(h) NEW NATIONAL WILDERNESS PRESERVATION 
SYSTEM COMPONENTS IN THE PRYOR MOUNTAINS.—The 
following areas within the Pryor Mountains are designated 
as components of the National Wilderness Preservation 
System: 
(1) Lost Water Canyon area, consisting of ap-
proximately 62,901 acres administered by the Custer 
National Forest, Bighorn National Recreation Area, 
or the Bureau of Land Management. 
(2) Big Pryor Mountain area, consisting of ap-
proximately 39,002 acres administered by the Custer 
National Forest. 
(i) OTHER NEW NATIONAL WILDERNESS PRESERVA-
TION SYSTEM COMPONENTS.—The following areas are 
designated as new components of the National Wilderness 
Preservation System: 
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(1) Willow Springs area, consisting of approxi-
mately 10,418 acres administered by the Umatilla 
National Forest. 
(2) Asotin Creek area, consisting of approxi-
mately 18,355 acres administered by the Umatilla 
National Forest. 
(3) Spangler area, consisting of approximately 
5,966 acres administered by the Umatilla National 
Forest. 
(4) Wenatchee Creek area, consisting of ap-
proximately 15,197 acres administered by the 
Umatilla National Forest. 
(5) Mill Creek area, consisting of approximately 
24,553 acres administered by the Umatilla National 
Forest. 
(6) Walla Walla area, consisting of approxi-
mately 34,413 acres administered by the Umatilla 
National Forest. 
(7) Jassaud area, consisting of approximately 
5,535 acres administered by the Umatilla National 
Forest. 
(8) Grande Ronde area, consisting of approxi-
mately 21,418 acres administered by the Umatilla 
National Forest. 
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