Corral-Horse Basin Wilderness
The Study Area
The Corral-Horse
WSA
is
includes
roughly
south
The
48500
bounded
WSA
stream
is
WSA
was
included
would
and
WSA
The
and
in
in
recommendation
of
located
and
in
1280
There
is
one
of
large
the
Three
alternative
other
west
than
Horse
sagebrush
stand
of
south
of
Challis
see Table
inholdings
wilderness
475
grass
Policy
on
and
were analyzed
and
report
Basins
of the
Salmon
would
be
Anderson
with
Peak
stringers
of
Idaho
The
The
WSA
Road
the east slope
at
on
the
the
designated
no wilderness
ElS
an
FLPMA
all
Peak
and
Impact
wilderness
as wilderness
alternative
feet
on
Anderson
of
Environmental
in
9342
timber
Management Act
Amendment/Final
acres
42225
and
Douglas-fir
Land
Plan
alternatives
where
20 miles
land
by the East Fork
and
Federal
Management Framework
for uses
the
state
Road
predominantly
603
1986
acres
Corral
surrounding
is
Custer County
of
on
by Dry Gulch
hills
Section
wilderness
this
acres
by Spar Canyon
vegetation
September
be released
is
lands
the east
on
under
the Challis
partial
north
bottoms
studied
was
ID-46-11
BLM
of
of rolling
composed
Statement finalized
alternative
the
on
sideslopes
The
acres
acres
by Road Creek
dominates the
WSA
Basin
48500
--
Study Area
which
is
and
the
6275
Recommendation and
Rationale
recommended
acres
for
wilderness
48500
recommended
acres
for
nonwilderness
The recommendation
uses
other
would
cause
all
use
The
the
land
are
the
avoid
shown
on
the
wilderness
Wilderness Preservation
humans
of
in
available
These
primarily
the
values
Since
there
little
to
susceptible
to
necessary
WSA
The
off-road
educational
be
values
and
runways
methods
Alternative
were
proven
detract
There
be
to
from
are
the
1280
and
acquired
treaty
signed
not
and
lands
and
and
with
is
of
and
and
to
of
cut
the
land
little
is
of
The
to
threat
no
values
there
48500
While
inclusion
are
would
of
acres
land
the
in
National
the
signs
site-specific
opportunities
to
adjacent
and
area
WSA
the
in
several
Solitude
of
acres
activity
known
it
and
sights
natural
no
of
fencing
and
the
sounds
are
WSA
the
due
not
of
to
any
barriers
associated
roads
boundary
makes
the
area
would
roads
unconfined recreation
Use
of
herd have
the
the
If
be
not
and
of horse-
consisting
wilderness
in
and
management
after
previous
to stay
not
scientific
Ranch
initiated
allowed
is
area
acres
or
construction
location
been
were
facilities
the
adjacent
Wild horse
Anderson
desirable
but
features
and
helicopters
at
of
geologic
designation
of
and
effective
thousands
in
or habitats
species
existing horse trap
one
would
for
fish
section
Tribe
own use
in
request
the
but
streams
would
the
now found
in
potential
the
the center
to
ability
allows
not
WSA
of
are not
of
wire
designation
years
in
place
If
this
476
of
parts
the
and
they would
the
timber
the
There
without
to
are
is
not
on
compatible
no known
change
without
said
Tribe has
with
for solitude
or
projected
designation
not
wilderness
right
Shoshone-Bannock
wilderness
significantly
could
as
livestock
their
pasture
land
WSA
impact opportunities
area
even
WSA
members
and
Cutting
expected
the
To date
and
the
Therefore
tribe
sale
thereof
be honored
of
manage
the
for
areas naturalness
the existing naturalness
mineral
in
the
impact
Indian
their
degrade
to
the
hills
available
WSA
this
less
inholdings
Any
would
and
those
to
management
requested
right
and
It
area
hunt thereon and
this
entire
merit
locally
of
almost
from wilderness
benefit
uneconomical
timber
with
primitive
wildlife
Shoshone-Bannock
the
to
there
level
relocated
state
was
access
designation
Currently there
quality
of
acres
would
allowed
gathering
naturalness
to exercise
opted
wilderness
activities
of
be
be
for
are similar
by designation
ineffective
therefore
any charge
public
be
human
of
area for
area
this
significant
that
not
would
to
but
natural
rolling
combined
opportunities
no
are
area
would
facilities
lack
the gently
This
values
its
affected
negatively
gathering
fences
the
in
not
by the thousands
and
The
recommendation
considered
impact naturalness
Constant patrolling
of
use
There
the
in
appears
which
afforded
on
WSA
use
and
area
generally
remoteness
screening
of the
ORV
WSA
those
are
they
the
alternative
The recommendation
term
long
impacts
release
wilderness
all
map
Proposal
study
the
is
WSA
does offer outstanding
unique to the
would
to
the
vehicle
eliminate
destination
popular
to
vegetative
are apparent from much
for
WSA
The
over
key consideration
developments
unique to the
is
Basin
the
environmental
and
as wilderness
alternative
preferable
adverse
the
was
necessary
similar
are due
opportunities
intrinsic
values
System
are
minimize
WSA
Basin
environment
natural
Corral-Horse
rangeland
WSA
the
or
values
wilderness
environmentally
from
to
Coral-Horse
the
designate
The
means
of the
quality
contains
not
change
least
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federal
to
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the
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Miles
ID-46-1
CORRALHORSE
PROPOSAL
BASIN
FEBRUARY
19BB
Table
Land Status and Acreage
--
Summary
CORRAL-HORSE
Wilderness
Within
BLM
surface
Split
Estate
and
BLM
state
Inholdings
BASIN
Study
Area
48500
subsurface
surface
only
1280
private
49780
Total
Within
Recommended
the
BLM
within
BLM
outside
Split
Estate
within
Split
Estate
outside
Total
BLM
for
Study Area
of the
Wilderness
Boundary
WSA
WSA
WSA
WSA
Recommended
Land
Wilderness
Inholdings
state
State
outside
land
Within
private
WSA
the Area
Not
Recommended
BLM
for
Wilderness
48500
Split
Estate
Total
BLM
Land
Recommended
Inholdings
Not
for
state
Wilderness
48500
1280
private
478
Wilderness
the Wilderness
in Developing
Considered
Criteria
Recommendations
Characteristics
Naturalness
The
Corral-Horse
of
composed
point
in
stand
on
The
are
the
from
human
considered
more
which
penetrate
impacts
lessen
important
These
Impacts
and
that
facilities
are
to
apparent
wilderness
WSA
the
the
and
and
the
lessen the
area
the
is
highest
Douglas-fir
These
improvements
consist
horse
naturalness
of
at
trap
the
two
imprints
when viewed
roads
cherry-stem
WSA
the east
on
Ranch
Anderson
from the trap
extend
runways
of
the
transversing
The
and
fences
WSA
ways
experience
The wing
visitor
of
is
large
blend into the landscape
to
two vehicle
one
feet
grass
waterhole
tend
appearance
and
and
and
fences
activities
miles
six
stream bottoms and
the
sagebrush
is
to naturalness
the natural
to
scenic
impacts
type
Basins
along
The
of naturalness
appearance
Anderson
Peak at 9342
general
Horse
timber
vegetative
boundaries for
the natural
activity
scattered
is
major impacts
mile
.5
the
and
are grazing
imprints
be
to
than
there
with
visitor
Corral
dominant
the
the
presents
surrounding
Although
east side
of
WSA
hills
rolling
WSA
the
majority
not
Basin
into
These
an
is
the
WSA
area
Solitude
The Corral-Horse
Basin
comprised of rolling
Due
to
sounds
lack
the
present
attracts
vegetative
in
the
are
ORV
form
The Corral-Horse
of
developments
of
recreation
The
and
photography
bird-watching
the
hills
rolling
opportunities
off-road
also
and
use
its
area
and
backpacking
vehicle
and
rated
as
openness
feeling
feeling of
are
of the
and
roads
in
private
the
primarily
terrain
the
ranches
The
of solitude
solitude
Much
outstanding
opportunities
bordering
lessen the
lessens the
with
not
was
Solitude
the general
cherry-stem
WSA
or near
for hiking
encourage
of
basins
and
screening
and Unconfined
Basin
in
potential
wide
imposing but do
not
enthusiasts
Primitive
solitude
separating
of
They
experience
WSAs
hills
rolling
of
the
due
to
outside
detract
terrain
WSA is
WSAs
the
sights
size
and
from the users
of
the
WSA
WSA
Recreation
large
relatively
contains
wide
in
the
lack
fall
479
man-made
Peak
horseback
general
of
opportunities
Anderson
hunting
The
sightseeing
especially
outstanding
basins with
fishing
size
lack
in
or natural
for
primitive
the
background
riding
of barriers
cross-country
and
barriers
and
and
its
provide
skiing
the gently
lack
unconfined type
snowshoeing
rolling terrain
Special Features
The Corral-Horse
viewing
Anderson
The
wild
Ranch
Basin
WSA
horses
the wild
are
is
part
of the
an introduced
horses
presently
Challis
element
add
to
Wild
in
the
Horse
the
area
480
Range
WSA
and
Except
offers excellent
for the gathering
wild
horse
facilities
near
in
Diversity
the National
the
Assessing
and Features
Wilderness
Idaho
four
However
designated
ecosystem
This
this
areas
is
as
of
designation
Diversity
the
Corral-Horse
is
summarized
in
System
Systems
by Ecosystems
Basin
in
represented
acres
76129
Preservation
of Natural
Represented
ecosystem
with
Wilderness
There
WSA
would
the National
are
eight
BLM
add
an
ecosystem
not
presently
Wilderness Preservation
areas
in
the
state
under
System
study
in
represented
NWPS
with
by
this
Table
TABLE
Ecosystem Representation
NWPS
Bailey-Kuchier
classification
Rocky Mountain
areas
Areas
Other
acres
BLM
Studies
areas
acres
23
247843
Forest
Province
NATIONWIDE
Sagebrush
Steppe
76129
Ecosystem
IDAHO
Sagebrush
Steppe
Ecosystem
162710
481
Expanding
Within
The Corral-Horse
number and
population
the
Days
Basin
acreage
of
for Solitude
Opportunities
Driving
WSA
is
designated
or Primitive Recreation
Time Five Hours
within
areas
five-hour
and
other
of Major
drive
from
BLM
study
Population
Boise
Idaho
areas
within
Table
five-hour
Centers
summarizes
drive
the
of the
center
Table
Wilderness
of
Opportunities
Major Population
NWPS
Population
Boise
Idaho
Centers
areas
16
for
Centers
Areas
acres
4741570
482
Residents
Other
BLM
Studies
areas
acres
141
5374250
the
Balancing
of
distribution
within
areas
Corral-Horse
of the
Wilderness designation
of Wilderness
Distribution
Geographic
WSA
Basin
would
not
Areas
contribute
to
the
balancing
geographic
NWPS
the
Manageability
WSA
The
vehicle
would
Two
miles
While
use
be
managed
as wilderness
of
signing
fence
identifiable
problem
The
of
impacted
over
the
The Shoshone
United
States
ratified
June
Should
Bannock
and
problem
claimants
of
edge
belief
their
expressed
the
of
access
to
and
points
rolling
eliminate
effectively
nonwilderness
in
WSA
the
that
the
have
and
area
has
environment
not
high
wilderness
development
begin
Hall
Fort
with
agreement
672
Stat
vehicle
be necessary
it
been
yet
potential
for
would
characteristics
be
corner
Indians
follow-up
31
northern
the
by the United States
ratified
1900
the
numerous
the
would
wilderness
on
have
to
patrolling
an administrative
not
is
located
are
due
However
constant
designated
entire northeast
and
1868
July
use
claimants
metals
precious
and
in
mining claims
prospected
discovery
vehicle
present
significant
noticeably
on
be
could
many
terrain
IV
of
Bannock
Act to
the
through the Treaty
Idaho
ceded
February 16 1869
and
Shoshone
the
Article
in
Reservation
Senate on
Indians
the
ratify
lands
concluded
31
agreement
of
to
Fort
Bridger
the
February
Stat
674
1898
states
as
follows
So
of
long
the
any of the lands ceded
as
domain
public
reduced
but
thereon and
Although
with
the
Tribe
wilderness
to
fish
has
this
The 1280
acres
of
access
Energy
and Minerals
Mineral
could
The
majority
and
northeast
Draft
activity
be
of
this
the
to
and
to
the
on
timber
cut
lands
remain part
living
for
their
hunt
of
all
the
the
to
exist
WSA
naturalness
To date
this
on
be honored
the
degrade
pursue
WSA
would
request
would
of
all
and
the area
Shoshone-Bannock
Bureau
would
is
not
compatible
impact
Tribe
be hard pressed
has
not
to
WSA
the
be acquired
should
the
the
option
timber
Cutting
of
If
these
lands
are not
acquired
motor
Values
Corral-Horse
area
has
WSA
gold
Basin
were
prepared by the
low potential for minerals
were staked
its
WSA
BLM
in
1979
and
updated
are
report
indicated
copper
to
continue
within
on said public
treaty
and
denied
of the
ElS
right
the Tribe
rights
Resource
of
applies
Should
for the
assessments
discovery
this
lands
not
Conclusions from
the
claimed
This
therefor
any charge
livestock
this
tribes
thereof
streams
this
without
their
pasture
under
relinquished
above-mentioned
the
to
the right
and
These
state
vehicle
1988
not
right
any impacts
mitigate
the
in
designation
exercise
and
for sale
for solitude
opportunities
opted
not
and
granted
belonging
have
shall
reservation
own use
Indians
belief
that
in
the
1987
by
Corral-Horse
molybdenum and uranium
483
Two
ASARCO
Basin
claim
groups
in
the
northwest
comments on
ASARCO
WSA has potential for the
in
in
Salable
minerals
to
According
included
in
resources
Ranges
thick
U.S
lands
Geological
valuable
map February
20
and
21
to
the
borrow
Survey
USGS
1977
update
BLMs
undiscovered
contain
Corral-Horse
for
prospectively
may have
East
sediments that could
adjacent
gravel
and
fill
and
stone
building
The
has very
area
high-
little
gravel
the
the
sand and
include
quality sand and
oil
Basin
and
WSA
area
has
Unit Resource
oil
gas
the
and
One
indicated
gas
that
as
on
exist
that
the
indicates
this
Geologically
indicated
conditions
geothermal resources
depicted
URA
Analysis
resources
lessee has
for
no value
geothermal resources
vibroeseis
for the
possible
on
pertinent
USGS
the
area
area
is
seismic
It
is
not
geothermal
within
underlain
work
in
accumulation
by
areas
of
hydrocarbons
Impacts
on Resources
The comparative impact
alternatives
considered
table
on
including
the
following
designation
page
summarizes
or nondesignation
484
the
effects
of the
entire
area
as
resources
wilderness
for
all
Table
Summary
Comparative
WSA
ISSUE
WILDERNESS
Impacts
on
Wilderness
Values
Loss
of wilderness
acres
of
on Development
Resources
Mineral
acres
values
but
48500
acres
entry
be
disturbed
on Water
Fork
of
Quality
the
in
Salmon
River
2%
ty
Wilderness
would
values
on
48500
all
WILDERNESS
be
Wilderness
values
acres
maintained
on 34225
of
loss
on
lost
to
8010
on
loss
would
and
acres
be
acres
subject
acres
6265
next
mineral
140
and/or
Harvest
and
East
ALTERNATIVE
due
oil
48500
acres
to
and
min
and
acres
disturbed
to
mineral
No
leasing
due
from
withdrawal
gas
closed
acres
entry
surface
formal
to
of 4.9
timber
miles
disturbing
degradation
due
to
6275
acres
acres
closed
bance
entry
ed
MMBF
could
new
of
675
in
of
com
re
occur
road
acres
water
quali
increased
Harvest
of
mercial
timber
gone
Heavier
lands
would
meet
allowable
Minimal
through
MMBF
would
use
be
less
of
cut
com
of
fore
be
Same
as
surface
areas
open
next
All
20
entry
distur
anticipat
years
Wilderness
Alternative
other
to
required
goals
1% benefit
than
of
revegetation
and
trails
sedimentation
4.9
of
mineral
to
No
for the
and 42225
open
or leasing
development
quiring
the
PARTIAL
ALTERNATIVE
preserved
the
to
open
leasing
mercial
Impacts
ALL WILDERNESS
activities
within
and
claim
lease
Harvesting
adverse
anticipated
ing
on Timber
to
subject
no
Impacts by Alternative
years
would
Impacts
on
values
9% of WSA
44135
10
Energy and
ACTION
4365
are
Impacts
NO
PROPOSED ACTION
TOPICS
of the
CORRAL-HORSE BASIN
ID-46-11
of
elimination
Same
as All
Wilderness
Alternative
jeep
vehicle
use
Impacts
Salmon
on
East
Fork
Anadromous
of
the
Fishery
2%
loss
reduced
of
salmon
water
fisheries
quality
to
1%
cle
Impacts
Use
on
Recreational
ORV
No
displacement
users
of
ORV
to
in
vehi
reduction
use
in
displaced
to
easily
areas
improvement
Slight
1% due
vehicle
days
closure
can
reduction
use
100%
itor
100%
than
less
improvement
Slight
not
vehicle
transfer
vis
by
400
use
ally
use
to
significant
80%
500
annually
This
other
impact
This
reduction
by
in
days
closure
use
other
less
than
reduction
in
use
visitor
impact
485
80%
to
can
areas
to
easily
not
use
potential
displaced
vehicle
annu
use
transfer
significant
to
Local
The
and
social
Economic
and
Social
economic
were
factors
Summary of WSA-Specific
Wilderness
received
was
Nineteen
of
mentioned
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supported the recommendation
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486
the
WSA
The
Soil
Conservation
Service
USDA