The Trail Center is a volunteer-driven organization that builds, maintains, and promotes trails in the San Francisco Peninsula and South Bay parks. The Trail Center site has an extensive list of links to park agencies and stewardship groups, plus a schedule of trail builds you can partipate in. www.trailcenter.org
Bay Area Hiker is an extensive online guide to Bay Area parks, open space, and trails. Author Jane Huber also includes reviews of maps and guidebooks and another great set of links to park agencies and related groups. http://www.bahiker.com
Bay Nature (www.baynature.org) is a natural history magazine focusing on the San Francisco Bay Area. This award-winning quarterly magazine includes feature articles on Bay Area ecology and habitats, and conversation issues. "On the Trail" articles (for which I do the maps) cover diverse parks as Montara Mountain and Elkhorn Slough.
Bay Area Ridge Trail Council (www.ridgetrail.org) has worked since 1989 on a 500-mile trail around San Francisco Bay.
Coastwalk (www.coastwalk.org) promotes the 1500-mile California Coastal Trail, and sponsors annual Coastwalk hikes in many California coastal counties.
The National Japanese American Historical Society (NJAHS) has a small gallery and extensive archives in San Francisco's Japantown. NJAHS was founded by a group of WWII veterans who served in the Military Intelligence Service in the Pacific theater and the Army's 442nd Division in Europe. Their focus has grown to include all aspects of the Japanese American experience. www.njahs.org.
Japantown Atlas (www.japantownatlas.com) is a site I created as part of a 2006 California Civil Liberties Public Education Program grant. Maps of 24 California Japanese American settlements as they appeared in 1940. A companion site is Preserving California's Japantowns (www.californiajapantowns.org)