Region
- Alaska 2 results
- Algarve (Portugal) 2 results
- Amazon River Region 2 results
- America 4 results
- Andes Region 2 results
- Appalachian Region, Southern 2 results
- Argentina 6 results
- Arizona 2 results
- Athens 2 results
- Athens (Ga.) 2 results
- Austin 2 results
- Austin (Tex.) 2 results
- Baja California (Mexico : Peninsula) 2 results
- Bermuda Islands 2 results
- Bolivia 4 results
- Brazil 2 results
- Buenos Aires 2 results
- Cades Cove (Tenn.) 2 results
- California 18 results
- Camden 2 results
- Camden (N.J.) 2 results
- Canada 2 results
- Canada, Western 2 results
- Caribbean Area 6 results
- Casma River Valley 2 results
- Casma River Valley (Peru) 2 results
- Cedros Island 2 results
- Cedros Island (Mexico) 2 results
- Central America 6 results
- China 2 results
- Chinatown (New York, N.Y.) 2 results
- Chunchucmil Site 2 results
- Chunchucmil Site (Mexico) 2 results
- Colombia 2 results
- Colorado 2 results
- Colorado Springs (Colo.) 2 results
- Connecticut 2 results
- Cuba 2 results
- Curaç 2 results
- Curaçao 2 results
- Davis Bend (Miss.) 2 results
- Denver (Colo.) 2 results
- Detroit 4 results
- Detroit (Mich.) 4 results
- Detroit Metropolitan Area 2 results
- Detroit Metropolitan Area (Mich.) 2 results
- Disneyland (Calif.) 2 results
- Dubuque 2 results
- Dubuque (Iowa) 2 results
- East Los Angeles 2 results more…