Region
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Czechoslovakia
1
Dartmouth
1
Dartmouth (Mass.)
1
Death Valley (Calif. and Nev.)
1
Dedham
1
Deep space
1
Delaware River Valley (N.Y.-Del. and N.J.)
1
Denali National Park and Preserve (Alaska)
1
Denmark
7
Denver (Colo.)
1
Des Moines
1
Detroit
1
Detroit (Mich.)
1
Developing countries
1
Dinosaur National Monument (Colo. and Utah)
1
Dominican Republic
4
Earth
1
Earth (Planet)
26
East (U.S.)
1
Easter Island
1
Eastern Egg Rock
1
Egypt
28
Elephant Sanctuary (Tenn.)
2
Elkhorn Slough
1
Elkhorn Slough (Calif.)
1
Ellis Island
1
Ellis Island (N.J. and N.Y.)
1
England
34
English Channel
1
Eritrea
1
Estados Unidos
2
Europe
17
Everest, Mont (Chine et Népal)
1
Everest, Mount (China and Nepal)
8
Everglades
6
Everglades (Fla.)
4
Everglades National Park
2
Everglades National Park (Fla.)
2
Famine, 1845-1852
1
Farallon Islands
1
Farallon Islands (Calif.)
1
Farmington
1
Fiji
1
Florida
13
Florida Keys
1
Florida Keys National Marine Sanctuary
1
Fort Benton
1
Fort Mose Site (Fla.)
1
Fort Saint George (Phippsburg, Me.)
1
Fort Wagner (S.C.)
1
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