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- Final environmental impact statement and section 4(f) evaluation for I-25 improvements through Pueblo

- Final environmental impact statement/final section 4(f) evaluation for US Highway 160 from Durango to Bayfield, La Plata County, Colorado

- Final environmental impact statement/final section 4(f) evaluation for US Highway 160 from Durango to Bayfield, La Plata County, Colorado. Addendum to Appendix E

- Final environmental impact statement/final section 4(f) evaluation for US Highway 160 from Durango to Bayfield, La Plata County, Colorado. Appendix A: Traffic Report

- Final environmental impact statement/final section 4(f) evaluation for US Highway 160 from Durango to Bayfield, La Plata County, Colorado. Appendix B: Traffic Noise Analysis (Large File: 369.26 MB)

- Final environmental impact statement/final section 4(f) evaluation for US Highway 160 from Durango to Bayfield, La Plata County, Colorado. Appendix C: Wetlands Analysis

- Final environmental impact statement/final section 4(f) evaluation for US Highway 160 from Durango to Bayfield, La Plata County, Colorado. Appendix D: General Correspondence

- Final environmental impact statement/final section 4(f) evaluation for US Highway 160 from Durango to Bayfield, La Plata County, Colorado. Appendix E: Historic Preservation Correspondence

- Final environmental impact statement/final section 4(f) evaluation for US Highway 160 from Durango to Bayfield, La Plata County, Colorado. Appendix F: Form AD-1006

- Final environmental impact statement/final section 4(f) evaluation for US Highway 160 from Durango to Bayfield, La Plata County, Colorado. Appendix G: DEIS Public Hearing

- Final environmental impact statement/final section 4(f) evaluation for US Highway 160 from Durango to Bayfield, La Plata County, Colorado. Appendix H: BA, BE, and Biological Opinion

- Final environmental impact statement/final section 4(f) evaluation for US Highway 160 from Durango to Bayfield, La Plata County, Colorado. Appendix I: Air Quality

- Final environmental impact statement/final section 4(f) evaluation for US Highway 160 from Durango to Bayfield, La Plata County, Colorado. Chapter 1: Figures

- Final environmental impact statement/final section 4(f) evaluation for US Highway 160 from Durango to Bayfield, La Plata County, Colorado. Chapter 1: Purpose and Need

- Final environmental impact statement/final section 4(f) evaluation for US Highway 160 from Durango to Bayfield, La Plata County, Colorado. Chapter 2: Alternatives

- Final environmental impact statement/final section 4(f) evaluation for US Highway 160 from Durango to Bayfield, La Plata County, Colorado. Chapter 2: Figures

- Final environmental impact statement/final section 4(f) evaluation for US Highway 160 from Durango to Bayfield, La Plata County, Colorado. Chapter 3: Affected Environment

- Final environmental impact statement/final section 4(f) evaluation for US Highway 160 from Durango to Bayfield, La Plata County, Colorado. Chapter 3: Figures

- Final environmental impact statement/final section 4(f) evaluation for US Highway 160 from Durango to Bayfield, La Plata County, Colorado. Chapter 4: Environmental Consequences

- Final environmental impact statement/final section 4(f) evaluation for US Highway 160 from Durango to Bayfield, La Plata County, Colorado. Chapter 4: Figures
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