Geography
United States
646 results
Iowa
227 results
Middle West
60 results
Great Britain
26 results
England
24 results
Peru
23 results
Europe
20 results
New York (State)
17 results
North America
15 results
Germany
14 results
New York
14 results
California
13 results
South Dakota
13 results
West (U.S.)
13 results
Canada
12 results
France
10 results
London
10 results
Developing countries
9 results
Foreign countries
9 results
China
8 results
Great Plains
8 results
Illinois
8 results
Brazil
7 results
Massachusetts
7 results
Mississippi River Valley
7 results
Soviet Union
7 results
Idaho
6 results
North Dakota
6 results
South America
6 results
États-Unis
6 results
Cahuachi Site (Peru)
5 results
Chicago
5 results
Chicago (Ill.)
5 results
Iceland
5 results
India
5 results
Japan
5 results
Nebraska
5 results
Southern States
5 results
Spain
5 results
America
4 results
Asia
4 results
Berlin (Germany)
4 results
British Columbia
4 results
Brooklyn (New York, N.Y.)
4 results
Buxton
4 results
Buxton (Iowa)
4 results
Czech Republic
4 results
Des Moines
4 results
Greece
4 results
Indiana
4 results
more…