Historic Horseshoes – San Diego Archaeological Center

Horseshoe Clubs of San Diego County

Agency (NPS) History

National Park Service History Electronic Library & Archive

Distribution of Archaeological Sites By Type Site With Drainage

San Diego Archaeological Center – MUSEUM – EDUCATION – RESEARCH

Historic Horseshoes – San Diego Archaeological Center

Plan Your Visit – San Diego Archaeological Center

Historic Horseshoes – San Diego Archaeological Center

The Extraordinary Case of the San Diego Mastodon – Popular Archeology

San Diego Archaeological Center – MUSEUM – EDUCATION – RESEARCH

San Diego Archaeological Center - San Diego Museum Council

San Diego Archaeological Center's New Web App is the Future of

Historic Mining Helmets – San Diego Archaeological Center

Historic Toy Marbles – San Diego Archaeological Center