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San Gabriel Mountains National Monument Management Plan EA

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San Gabriel Mountains National Monument Management Plan EA United States Department of Agriculture San Gabriel Mountains National Monument Management Plan DRAFT Environmental Assessment Forest Service Angeles National Forest San Gabriel Mountains, California August 2016 For More Information Contact: Justin Seastrand Angeles National Forest 701 N. Santa Anita Ave. Arcadia, CA 91006 Phone: (626) 574-5278 Fax: (626) 574-5235 In accordance with Federal civil rights law and U.S. Department of Agriculture (USDA) civil rights regulations and policies, the USDA, its Agencies, offices, and employees, and institutions participating in or administering USDA programs are prohibited from discriminating based on race, color, national origin, religion, sex, gender identity (including gender expression), sexual orientation, disability, age, marital status, family/parental status, income derived from a public assistance program, political beliefs, or reprisal or retaliation for prior civil rights activity, in any program or activity conducted or funded by USDA (not all bases apply to all programs). Remedies and complaint filing deadlines vary by program or incident. Persons with disabilities who require alternative means of communication for program information (e.g., Braille, large print, audiotape, American Sign Language, etc.) should contact the responsible Agency or USDA’s TARGET Center at (202) 720-2600 (voice and TTY) or contact USDA through the Federal Relay Service at (800) 877-8339. Additionally, program information may be made available in languages other than English. To file a program discrimination complaint, complete the USDA Program Discrimination Complaint Form, AD-3027, found online at http://www.ascr.usda.gov/complaint_filing_cust.html and at any USDA office or write a letter addressed to USDA and provide in the letter all of the information requested in the form. To request a copy of the complaint form, call (866) 632-9992. Submit your completed form or letter to USDA by: (1) mail: U.S. Department of Agriculture, Office of the Assistant Secretary for Civil Rights, 1400 Independence Avenue, SW, Washington, D.C. 20250-9410; (2) fax: (202) 690-7442; or (3) email: [email protected]. USDA is an equal opportunity provider, employer and lender. San Gabriel Mountains National Monument DRAFT Environmental Assessment Contents Introduction ..................................................................................................................................... 1 2006 Angeles National Forest Land Management Plan .............................................................. 1 2014 Forest Plan Amendment ..................................................................................................... 2 2012 Planning Rule ..................................................................................................................... 2 Proposed Project Location .......................................................................................................... 3 Purpose and Need for Action ...................................................................................................... 3 Public Involvement and Tribal Consultation .............................................................................. 7 Public Involvement .................................................................................................................. 7 Tribal Consultation .................................................................................................................. 8 Key Issues ................................................................................................................................... 9 Transportation/Access ............................................................................................................. 9 Sustainable Recreation and Use ............................................................................................ 10 Social Issues and Environmental Justice ............................................................................... 10 Wildlife, Sensitive Species, and Threatened and Endangered Species ................................. 10 Alternatives Analyzed in Detail .................................................................................................... 11 No Action (Continue Current Management) ............................................................................. 11 Proposed Action ........................................................................................................................ 11 Plan Components ................................................................................................................... 12 Monitoring ............................................................................................................................. 25 Alternatives Considered, but Eliminated from Detailed Analysis ............................................ 25 Decision to be Made ................................................................................................................. 26 Environmental Impacts of the Alternative .................................................................................... 27 Introduction ............................................................................................................................... 27 Aquatic Species ......................................................................................................................... 27 Affected Environment ........................................................................................................... 27 Environmental Consequences ............................................................................................... 28 Heritage Resources ................................................................................................................... 30 Affected Environment ........................................................................................................... 30 Environmental Consequences ............................................................................................... 33 Hydrology ................................................................................................................................. 36 Affected Environment ........................................................................................................... 36 Environmental Consequences ............................................................................................... 52 Recreation ................................................................................................................................. 62 Affected Environment ........................................................................................................... 62 Environmental Consequences ............................................................................................... 74 Scenery ...................................................................................................................................... 80 Affected Environment ........................................................................................................... 80 Environmental Consequences ............................................................................................... 86 Socioeconomics ........................................................................................................................ 89 Affected Environment ........................................................................................................... 89 Environmental Consequences ............................................................................................... 94 Soils ........................................................................................................................................... 99 Affected Environment ........................................................................................................... 99 Environmental Consequences ............................................................................................. 100 Terrestrial Wildlife .................................................................................................................. 105 Affected Environment ......................................................................................................... 105 Environmental Consequences ............................................................................................. 110 Threatened, Endangered, and Region 5 Sensitive Plants ........................................................ 115 Angeles National Forest i San Gabriel Mountains National Monument DRAFT Environmental Assessment Affected Environment ......................................................................................................... 115 Environmental Consequences ............................................................................................. 122 Transportation ......................................................................................................................... 128 Affected Environment ......................................................................................................... 128 Environmental Consequences ............................................................................................. 131 Wilderness and Special Designated Areas .............................................................................. 133 Affected Environment ........................................................................................................
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