Geography
United States
143 results
California
31 results
Canada
16 results
Great Britain
7 results
Mexico
6 results
Europe
5 results
Germany
5 results
South America
5 results
Appalachian Region
4 results
Arkansas
4 results
Brazil
4 results
Japan
4 results
Michigan
4 results
Arizona
3 results
Central America
3 results
Florida
3 results
Tennessee
3 results
Wisconsin
3 results
Africa
2 results
Argentina
2 results
Belgium
2 results
China
2 results
Cuba
2 results
Idaho
2 results
Indiana
2 results
Louisiana
2 results
Mississippi
2 results
Mississippi River
2 results
New York (State)
2 results
North America
2 results
Oregon
2 results
Pennsylvania
2 results
Soviet Union
2 results
Africa, East
1 results
Alabama
1 results
Allegan County (Mich.)
1 results
Australia
1 results
Austria
1 results
Bahamas
1 results
Baltic States
1 results
Benewah County (Idaho)
1 results
Boston Mountains (Ark. and Okla.)
1 results
Caribbean Area
1 results
Colorado River (Colo.-Mexico)
1 results
Delta County (Colo.)
1 results
Denmark
1 results
Egypt
1 results
El Cerrito (N.M.)
1 results
Erie, Lake
1 results
Forest County (Wis.)
1 results
more…