Omya Sentinel & Butterfield Quarries Expansion

Omya California is submitting to the Forest and County, for permitting, an amended Plan of Operations and Reclamation Plan for an expansion of 28.8 acres for the Butterfield 3 Quarry and 22 acres for the Sentinel Quarry.

Location Summary

T.3 N., R.1 W., Sec.23

District: Big Bear Ranger District

Project Documents

• Scoping

  • Notice of intent
    
    • Omya Sentinel & Butterfield Quarries Expansion - Federal Register Notice of Intent (2/28/2013) (PDF 205kb)
    • Omya Sentinel & Butterfield Quarries Expansion - Joint NOP/NOI (PDF 108kb)
  • Omya Sentinel & Butterfield Quarries Expansion - Amended Plan of Operations (PDF 5161kb)
  • Omya Sentinel & Butterfield Quarries Expansion - Amended Plan of Operations Appendices
    
    • Appendix 1A - Sentinel Quarry Expansion Decision Notice & FONSI (02/2002) (PDF 1449kb)
    • Appendix 1B - Sentinel Quarry Expansion Approved Reclamation Plan (PDF 553kb)
    • Appendix 2 - Sentinel Quarry Expansion Environmental Assessment (PDF 5647kb)
    • Appendix 3A - Sentinel Quarry Air Quality Permits 2012 (PDF 4033kb)
    • Appendix 3B - Patterns of Carbonate Dust Deposition (PDF 1458kb)
    • Appendix 4A - Groundwater Extraction and Well Permits (PDF 411kb)
    • Appendix 4B - Hydrology Report Proof of Groundwater Extraction (PDF 643kb)
    • Appendix 5 - Approved Revegetation Plan (PDF 3054kb)
    • Appendix 6A - Sentinel Quarry Expansion Informal ESA Section 7 Consultation & Concurrence (9/2000) (PDF 530kb)
    • Appendix 6B - Sentinel Quarry Expansion Biological Assessment (5/2000) (PDF 8814kb)
    • Appendix 6C1 - Sentinel Quarry Expansion Biological Survey (1997) (PDF 1648kb)
    • Appendix 6C2 - Butterfield 5 Overburned Expansion Biological Survey and Additional Correspondence (PDF 766kb)
    • Appendix 6D - Butterfield 3 Expansion Area Biological Survey (8/2009) (PDF 6512kb)
    • Appendix 6E - Spotted Owl Updates (PDF 1595kb)
    • Appendix 7 - Geology - Omya (1994) (PDF 1124kb)
    • Appendix 8 - Sentinel and Butterfield Mine Reclamation Slope Stability Report (2012) (PDF 18023kb)
    • Appendix 9A - Archeological and Cultural Resource Surveys (PDF 720kb)
    • Appendix 9B - Cultural Resources Inventory (1984) (PDF 1342kb)
    • Appendix 10 - Approved Storm Water Monitoring Program - Cover and Approval Only (PDF 85kb)
    • Appendix 11A - Carbonate Plant Mitigation Proposal (11/28/2011) (PDF 288kb)
    • Appendix 11B - Details of the Rattler Mining Claims Relinquishment (PDF 163kb)
    • Appendix 12 - Omya Reclamation Report 2011 (PDF 1363kb)
    • Appendix 13 - Spill Prevention and Control Plan (PDF 368kb)
  • Legal notices
    
    • Omya Sentinel & Butterfield Quarries Expansion - San Bernardino Sun Legal Notice (2/22/2013) (PDF 27kb)
    • Omya Sentinel & Butterfield Quarries Expansion - Big Bear Grizzly Legal Notice (PDF 127kb)
    • Omya Sentinel & Butterfield Quarries Expansion - Lucerne Leader Legal Notice (2/21/2013) (PDF 116kb)
  • Omya Sentinel & Butterfield Quarries Expansion - Final Initial Study (PDF 10935kb)