Geography
United States
149 results
Great Britain
49 results
Texas
44 results
Germany
33 results
France
32 results
Poland
27 results
England
23 results
Washington (D.C.)
19 results
Europe
10 results
Soviet Union
8 results
Canada
7 results
Japan
5 results
Sweden
5 results
Australia
4 results
Egypt
4 results
India
4 results
Italy
4 results
Russia
4 results
Russia (Federation)
4 results
États-Unis
4 results
Developing countries
3 results
Gulf Region
3 results
Jamaica
3 results
Rio Grande Valley (Colo.-Mexico and Tex.)
3 results
Texas, East
3 results
Texas, South
3 results
Trans-Pecos (Tex. and N.M.)
3 results
Africa
2 results
Amazon River Region
2 results
Argentina
2 results
Brazil
2 results
California
2 results
China
2 results
College Station
2 results
Cross Timbers (Okla. and Tex.)
2 results
Kenya
2 results
Los Alamos
2 results
Los Alamos (N.M.)
2 results
Lower Rio Grande Valley
2 results
Malaysia
2 results
New Mexico
2 results
New Zealand
2 results
Pennsylvania
2 results
Switzerland
2 results
United Kingdom
2 results
.Etats-Unis
1 results
Africa, East
1 results
Africa, Eastern
1 results
Africa, North
1 results
Africa, Northern
1 results
more…