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Mount Avery Spur Road Special Use Permit Request Environmental Assessment

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Mount Avery Spur Road Special Use Permit Request Environmental Assessment United States Department of Agriculture Forest Service Mount Avery Spur Road Special Use Permit Request Environmental Assessment Powers Ranger District, Rogue River-Siskiyou National Forest, Curry County, Oregon Responsible Official: Rob MacWhorter, Forest Supervisor August 2014 Site of proposed road construction. For More Information Contact: Jessie Berner, District Ranger Powers Ranger District 42861 Highway 242 Powers, OR 97466 Phone: (541) 439-6200 Email: [email protected] Fax: (541) 439-7704 OR Donald Kay Phone: (541) 439-6223 Email: [email protected] Project website : http://www.fs.fed.us/nepa/fs-usda-pop.php/?project=36342 Prepared by Zion Natural Resources Consulting for the USDA Forest Service. U.S. Department of Agriculture (USDA) prohibits discrimination in all its programs and activities on the basis of race, color, national origin, age, disability, and where applicable, sex, marital status, familial status, parental status, religion, sexual orientation, genetic information, political beliefs, reprisal, or because all or part of an individual’s income is derived from any public assistance program. (Not all prohibited bases apply to all programs.) Persons with disabilities who require alternative means for communication for program information (e.g. Braille, large print, audiotape, etc.) please contact USDA’s TARGET Center at (202) 720-2600 (voice and TDD). To file a complaint of discrimination, write to USDA, Director, Office of Civil Rights, 1400 Independence Avenue, SW., Washington, DC 20250-9410, or call (800) 795-3272 (voice) or (202) 720-6382 (TDD). USDA is an equal opportunity provider and employer. Table of Contents Table of Contents.......................................................................................................................................... 1 Executive Summary...................................................................................................................................... 6 Chapter 1 - Purpose and Need ...................................................................................................................... 7 1.1 Introduction......................................................................................................................... 7 1.2 Background, Landscape Setting, and Land Use ................................................................. 8 1.3 Purpose and Need for Action.............................................................................................. 9 1.4 Proposed Action.................................................................................................................. 9 1.5 Decision Framework........................................................................................................... 9 1.6 Management Direction ..................................................................................................... 10 1.7 Public Involvement (Scoping) .......................................................................................... 14 1.8 Issues................................................................................................................................. 14 Chapter 2 - Alternatives.............................................................................................................................. 15 2.1 Introduction....................................................................................................................... 15 2.2 Alternatives Considered in Detail..................................................................................... 15 2.2.1 Alternative 1 (No Action).....................................................................................15 2.2.2 Alternative 2 (Proposed Action)...........................................................................16 2.3 Alternatives Not Considered in Detail.............................................................................. 16 2.3.1 Re-build Existing Roads.......................................................................................17 2.4 Mitigation Measures ......................................................................................................... 17 Chapter 3 - Affected Environment and Environmental Consequences....................................................... 21 3.1 Introduction....................................................................................................................... 21 3.2 Hydrology ......................................................................................................................... 21 3.3 Soils .................................................................................................................................. 26 3.4 Snags and Down Wood..................................................................................................... 30 3.5 Fish ................................................................................................................................... 31 3.6 ESA Listed Wildlife Species ............................................................................................ 34 3.7 R-6 Sensitive Wildlife Species ......................................................................................... 39 3.8 Management Indicator Species......................................................................................... 50 3.9 Northwest Forest Plan Wildlife Species ........................................................................... 56 3.10 Neo-Tropical Migratory Birds/Landbirds (NTMB).......................................................... 59 3.11 Botanical Species of Concern........................................................................................... 62 3.12 Invasive Botanical Species ............................................................................................... 65 3.13 Recreation......................................................................................................................... 66 3.14 Cultural Resources............................................................................................................ 67 3.15 Other Effects..................................................................................................................... 70 3.16 Other Required Disclosures .............................................................................................. 71 3.17 Finding of No Significant Impact ..................................................................................... 72 Chapter 4 - Consultation with Others ......................................................................................................... 77 Chapter 5 - References, Literature, and Data Sources ................................................................................ 79 EA – Mount Avery Spur Road SUP 1 Tables Table 1. Acronyms and Abbreviations .........................................................................................................5 Table 2. Sources of Relevant Mitigation Measures ....................................................................................18 Table 3. Soils Identified Within the Project Area.......................................................................................27 Table 4. Estimated Deleterious Soil Impacts..............................................................................................30 Table 5. LWM and WRT Guidelines..........................................................................................................31 Table 6. List of Aquatic Species .................................................................................................................33 Table 7. R-6 Sensitive Species....................................................................................................................40 Table 8. Management Indicator Species and Determination Effects..........................................................51 Table 9. NWFP Survey and Manage Species Determination Effects.........................................................57 Table 10. Protection Buffer Species Determination Effects .......................................................................58 Table 11. Focal Migrant Bird Species ........................................................................................................60 Table 12. Interdisciplinary Team Members................................................................................................77 Table 13. People, Organizations, and Agencies Consulted ........................................................................78 Figures Figure 1. Vicinity Map Overview.................................................................................................................3 Figure 2. Proposed Action and Haul Route ..................................................................................................4 Figure 3. Sixes River Watershed Map ........................................................................................................91 Figure 4. Alternative Routes Map...............................................................................................................92 Figure 5. Topography Map .........................................................................................................................93 Figure 6. Tax Lot Map................................................................................................................................94 Figure 7. Curry County Soils Survey Map..................................................................................................95
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