Bay Checkerspot Butterfly

2008 Final Critical Habitat Revision

Unit Maps in PDF Format

Note: These are overview maps that appeared in the Federal Register. More detailed maps will be uploaded to our national Critical Habitat Mapper soon. Until then, developers in need of precise geospatial data should contact our GIS Branch at (916) 414-6600.

Map Index is 552 KB. Other PDFs are under 500 KB.

Map Index

• Unit 1 - San Bruno Mountain
• Unit 2 - Pulgas Ridge
• Unit 3 - Edgewood Park
• Unit 4 - Jasper Ridge
• Units 5-10 (& 13) are combined on this map
  • Unit 5: Metcalf
    (Part of "Coyote Ridge" in the proposed rule)
  • Unit 6 - Tulare Hill
  • Unit 7 - Santa Teresa Hills
  • Unit 8 - Calero Reservoir
  • Unit 9 - Kalana Hills
  • Unit 10 - Hale
    ("Morgan Hill" in the propose rule)
• Unit 11 - Bear Ranch
• Unit 12 - San Martin
• Unit 13 - Kirby
  (Part of "Coyote Ridge" in the proposed rule)

Proposed Rule

Here are the proposed rule maps for reference.

Previously Designated Critical Habitat Units

For reference only, the following maps show the critical habitat units that were designated in 2001.

• San Mateo County (3.3 MB PDF)
• Santa Clara County (3.5 MB PDF)