Northern California Atlas & Gazetteer, 3d ed.  1995.  DeLorme Mapping, PO Box 298, Freeport ME 04032.  Tel: (207) :865-4171.  http://www.delorme.com/

Mildred Brooke Hoover, Hero Eugene Rensch, Ethel Grace Rensch, William N Abeloe, revised by Douglas E Kyle, Historic Spots in California, 4th ed.  1990.  Stanford University Press, 521 Lomita Mall, Stanford CA 94305.  Tel: (650) 723-9434.  Fax: 650) 725-3457.  http://www.sup.org/

Trail Map of Mt. Diablo State Park and Adjacent Parklands, 4th ed.  1991.  Mt. Diablo Interpretive Association, PO Box 346, Walnut Creek CA 94597-0346.  Tel: (510) 927-7222.  Fax: (925) 682-2171.  http://www.mdia.org/ 

A Rambler's Guide to the Trails of the East Bay Hills: Central Section, 3rd ed.  1995.  The Olmsted & Bros Map Co, PO Box 5351, Berkeley CA 94705.  Tel: (510) 658-6534.

A Rambler's Guide to the Trails of the East Bay Hills: Northern Section, 3rd ed.  1991.  The Olmsted & Bros Map Co, PO Box 5351, Berkeley CA 94705.  Tel: (510) 658-6534.

The Thomas Guide: Bay Area Street Guide and Directory.  1997.  Thomas Bros. Maps, 17731 Cowan, Irvine CA 92714.  Tel: (714) 863-1984  or  (800) 899-MAPS.  Fax: (714) 757-1564.  http://www.thomas.com/  mailto:comments@thomas.com  NOTE: With its 1997 map books, Thomas has introduced a new grid and page-number system that is consistent throughout a range of map books for the Bay Area (a book covering the entire Bay Area, individual county books, and various combinations of two or more counties).  Thus, the page/grid references given here should apply equally well to any of the 1997 and later books.

The Thomas Guide: Contra Costa County Street Guide and Directory.  1995.  TBM #30275.  Thomas Bros. Maps, 17731 Cowan, Irvine CA 92714.  Tel: (714) 863-1984  or  (800) 899-MAPS.  Fax: (714) 757-1564.  http://www.thomas.com/  mailto:comments@thomas.com

Jean Richmond, Birding Northern California.  1985.  Mt Diablo Audubon Society, PO Box 53, Walnut Creek CA 94596.

Mimi Stein, A Vision Achieved: Fifty Years of East Bay Regional Park District.  1984.  East Bay Regional Park District.

LoLo & Jim Westrich, Birder's Guide to Northern California.  1991.  Gulf Publishing Co, PO Box 2608, Houston TX 77252-2608.

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