Year_2011
Inventory Unit Number/Name: Northwest Resource Area Inventory Units<5,000 Acres
FORM 1
DOCUMENTATION OF BLM WILDERNESS INVENTORY FINDINGS ON RECORD
1. Is there existing BLM wilderness inventory information on all or part of this area?
No
(go to Form 2) Yes ___X____ (if more than one unit is within the area,
list the names/numbers of those units.)
a) Inventory Source: U.S. Department of the Interior. Bureau of Land Management.
Wilderness Review. Initial Inventory. Oregon and Washington. Final Decision on
Public Lands Obviously Lacking Wilderness Characteristics. (August 1979. Page 15)
b) Inventory Unit Name(s)/Number(s): Unit OR-1-1
c) Map Name(s)/Number(s): U.S. Department of the Interior. Bureau of Land
Management. Oregon. Initial Inventory. Final Decisions. (August 1979)
d) BLM District(s)/Field Office(s):_Lakeview District/Lakeview Interagency Office
2. BLM Inventory Findings on Record
Existing inventory information regarding wilderness characteristics (if more than one
BLM inventory unit is associated with the area, list each unit/acreage and answer each
question individually for each inventory unit):
Unit #
OR-1-1
BLM
Size
(historic acres)
9,900
Natural
Condition?
Y/N
Outstanding
Solitude?
Y/N
N
N/A
Outstanding
Primitive &
Unconfined
Recreation?
Y/N
N/A
Supplemental
Values?
Y/N
N/A
Summarize any known primary reasons for prior inventory findings listed in this table:
This unit is located approximately 18 miles north of Silver Lake, Oregon. At 9,900 acres,
this unit met the minimum size requirement in 1979 and was evaluated for wilderness
characteristics. This unit is comprised of rolling hills and broken lava flows which were at
the time populated primarily with big sagebrush. Human developments within the unit
were identified as; extensive vehicle trails, water developments, and a crested wheatgrass
seeding on the south. The listed human developments within the unit were at the time
1
substantially noticeable and the area did not appear to have primarily been affected by the
forces of nature. For those reasons Unit OR-1-1 did not meet the minimum naturalness
criteria and was eliminated from further review in 1979.
Note: Historic Inventory Unit OR-1-1 does not currently meet the minimum size criteria
because it has been divided up into units smaller than 5,000 acres, none of which meet any
exceptions the size requirement. Wilderness character within the remainder of the area was
not documented during the previous inventory presumably because there were no other
inventory units that met the size criteria at that time.
FORM 2
DOCUMENTATION OF CURRENT WILDERNESS INVENTORY CONDITIONS
a. Unit Number/Name: Northwest Resource Area Inventory Units<5,000 Acres
(1) Is the unit of sufficient size? Yes
No
X
Boundary Determination: In 2008, 2009, 2010, and 2011 the BLM conducted field inventory of
the area to update its road and wilderness inventories. This field work included photo
documentation of the boundary routes. Using BLM photos, field logs, and staff field
knowledge, a BLM inter-disciplinary (ID) team completed an analysis of the motorized routes
within the area in February 2011.
On the south, the units are bounded by a combination of private lands, Lake County Roads, and a
short segment of State Highway 31. On the north, the units are bounded by a combination of
private lands, Devils Garden Lava Bed WSA, and the Fremont-Winema National Forest. On the
east, the units are bounded by Devils Garden Lava Bed WSA and private lands. On the west, the
units are bounded primarily by the Deschutes National Forest. See Map 2, route analysis forms,
photos, photo logs, and BLM ID team minutes in the wilderness inventory file for additional
supporting information regarding these boundary determinations).
There are a total of 32 inventory units within the Northwest Resource Inventory Area. None of
the inventory units within this area currently meet the minimum size criteria. The average size
of these units is 1768 acres. They range in size from 40 acres to 4,920 acres and do not meet any
exception to the size requirement.
Following the unit boundary determination, a BLM ID team conducted an inter-disciplinary
evaluation of the current wilderness characteristics within the unit boundary. The results are
contained in the following section. Additional background on the process that the BLM ID team
followed during this evaluation is contained in the ID team meeting notes and the document,
Wilderness Inventory Maintenance Process for the Lakeview Resource Area, BLM. Both
documents are contained in the wilderness inventory file.
DESCRIPTION OF CURRENT CONDITIONS:
2
The 32 small inventory units in the Northwest Resource Inventory Area are comprised of
approximately 56,596 acres of BLM administered land located about 18 miles north of Silver
Lake, Oregon (Map 1). The terrain consists of rolling hills and broken lava flows. Vegetation
consists primarily of big sagebrush, scattered juniper, and isolated stands of ponderosa pine near
the Fremont-Winema National Forest boundary. Major human activities in the area include
hunting, ranching, woodcutting, and OHV recreation.
(2) Is the unit in a natural condition? Yes
No _____ N/A
X
The current natural condition of these units was not evaluated because the units failed to meet the
minimum size requirement.
(3) Does the unit (or the remainder of the unit if a portion has been excluded due to
unnaturalness and the remainder is of sufficient size) have outstanding opportunities for
solitude?
Yes
No
N/A___X_____
The current opportunities for solitude within these units were not evaluated because the units
failed to meet the minimum size requirement.
(4) Does the unit (or the remainder of the unit if a portion has been excluded due to
unnaturalness and the remainder is of sufficient size) have outstanding opportunities for
primitive and unconfined recreation?
Yes
No
N/A___X_____
The current opportunities for recreation within these units were not evaluated because the units
failed to meet the minimum size requirement.
(5) Does the unit have supplemental values? Yes
No
N/A___X_____
Supplemental values were not evaluated within these units because the units failed to meet the
minimum wilderness criteria.
3
Summary of Findings and Conclusion
Unit Name and Number: Northwest Resource Area Inventory Units<5,000 Acres
Summary Results of Analysis:
1. Does the area meet the size requirements?
___Yes _X__No
2. Does the area appear to be natural?
___Yes ____No __X_ N/A
3. Does the area offer outstanding opportunities for solitude or a primitive and
unconfined type of recreation?
____Yes ____No __X_ N/A
4. Does the area have supplemental values?
___Yes ____No __X_ N/A
Conclusion (Check One):
_____ The area- or a portion of the area- has wilderness character:
(items 1, 2 and 3 must be checked “yes”).
___X__
The area does not have wilderness character: (any of items 1, 2 and 3 are
checked “no”).
4
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Date:
TheresaRomasko
Associate Field Manager for Botany and Range
Approved by:
Tom Rasmussen, Field Manager
This form documents information that constitutes an inventory finding on wilderness characteristics. It does not
represent a formal/and use allocation or a final agency decision subject to administrative remedies under either
43 CFRparts 4 or 1610.5-2.
5
Deschutes County
Map 1: Wilderness Character Evaluation Area
Lake County
Fort Rock
Christmas Valley
Silver Lake
395
£
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Lake County
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Summer Lake
Paisley
Legend
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Northwest Resource Area Inventory Units
Major Utility Corridors
Major Roads
Lake County
Klamath County
Resource Area Boundary
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.
Lakeview
Adel
No warranty is made by the Bureau of Land Management as to the accuracy,
reliability, or completeness of these data for individual or aggregate use with
other data. Original data were compiled from various sources. This information
may not meet National M ap Accuracy Standards. This product was developed
through digital means and may be updated without notification .
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