Geographic Subject
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Canada
3
Caucasus, Northern
2
Central Chernozem Region
1
Chaffee County
2
Chaffee County (Colo.)
2
Channel Islands
1
Cheyenne County
1
Cheyenne County (Colo.)
1
Chiba-ken
2
China
1
Chūgoku Region
2
Colombia
1
Colorado
94
Conejos County
7
Conejos County (Colo.)
7
Congo (Democratic Republic)
4
Congo (République démocratique)
1
Costa Rica
1
Costilla County
4
Costilla County (Colo.)
4
Crowley County
3
Crowley County (Colo.)
3
Custer County
1
Custer County (Colo.)
1
Cyprus
1
Czech Republic
1
Czechoslovakia
1
Dakota du Nord
1
Dakota du Sud
1
Delta County
2
Delta County (Colo.)
2
Denver
1
Denver (Colo.)
1
Douglas County
2
Douglas County (Colo.)
2
Eagle County
2
Eagle County (Colo.)
2
El Paso County
3
El Paso County (Colo.)
3
El Salvador
1
Elbert County
2
Elbert County (Colo.)
2
England
1
Espagne
1
Estonia
1
Extreme-Orient sovietique
1
Fiji
1
Florida
2
France
1
Fremont County
2
more ...