Lyons Canyon Ranch Development Environmental Review Documents

Updated 27 January 2008

DMEC has and is preparing environmental assessment documents for the Lyons Canyon Ranch development project on behalf of D.R. Horton - Western Pacific [Housing] Series.

Selected reports (draft and final) are available for download from this page.

All reports (except CEQA documents) copyrighted by David Magney Environmental Consulting 2005 and 2006

Links to Lyons Canyon Ranch Documents

Bio Constraints Report
[Final] Bio Constraints Report 15 September 2005 [6.5 MB PDF]

Biota Report - 29 June 2006
Biota Report (Entire Report except Appendix A - 29 June 2006 [13.6 MB PDF])
  • Biota Report Sections - for quicker download and viewing - February 2006 version only
  • Biota Report Cover and Table of Contents only [409 KB PDF]
  • Biota Report Section 1 - Project Description [610 KB PDF]
  • Biota Report Section 2 - Setting [2.3 MB PDF]
  • Biota Report Section 3 - General Biota Survey [2.3 MB PDF]
  • Biota Report Section 4 - Special-status Species Bio Resources [919 KB PDF]
  • Biota Report Section 5 - Project Impacts [2.2 MB PDF]
  • Biota Report Section 6 - Mitigation Measures [655 KB PDF]
  • Biota Report Section 7 - SEA Design Compatability Criteria [343 KB PDF]
  • Biota Report Section 8 - Monitoring Program [402 KB PDF]
  • Biota Report Sections 9 & 10 - Citations & Acknowledgments [472 KB PDF]
  • Biota Report Appendices - Report Appendices, except A [1.3 MB PDF]
    Biota Report Appendix A [545 KB PDF]
    Biota Report Site Plan Oversized Map [4.35 MB PDF]
    Biota Report Oat Mountain Topo Quad Map 7.5-minute USGS Topo Quad [32 MB TIF]
    Biota Report Revision Summary Pages - for SEATAC [883 KB PDF]


    Oak Tree Report
    Oak Tree Report Summary 27 September 2005 [1.3 MB PDF]
    Oak Tree Maps 29 March 2006 [12.9 MB PDF] - 25 maps
    Oak Tree Data Summary Table 26 September 2005 [157 KB PDF]

    Draft EIR Sections
    Biological Resources DEIR section [5.6] [revised 21 June 2006] (35.0 MB PDF)
    Draft EIR sections page [30 October 2006]

    General Map of Lyons Canyon Ranch

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